Valence electron configuration of 3s2. Electron Configuration.

Valence electron configuration of 3s2 ISBN: 9781305957404. Moving across period three, the pattern is similar to period two. The complete As a full-time chemistry writer on Valenceelectrons. 7. The 2p orbital has 6 electrons. We will fill the 3s subshell with two electrons and the 3p subshell with six electrons. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure. So in this case, the valency of bromine is 3. Bohrium: Value is a guess based on periodic table trend. they have more valence Study with Quizlet and memorize flashcards containing terms like How many valence electrons are there in fluorine?, Fluorine has _____ valence electron(s). 4 16 6 2 8. How many valence electrons does krypton (Kr) atom have? A. The element with a valence electron configuration of 3s2 3p1 is phosphorus (P). 9. Electron Configuration and Oxidation States of So, the electron configuration of silicon(Si*) in an excited state will be 1s 2 2s 2 2p 6 3s 1 3p x 1 3p y 1 3p z 1. On Studocu you find all the lecture notes, summaries and study guides you need to pass your Study with Quizlet and memorize flashcards containing terms like How many valence electrons does an atom with the following electron configuration have? 1s2 2s2 2p6 3s2 3p6 4s2 3d10 Electron Configuration and Oxidation States of Silicon. _____ B. 5s 2, 5p 4 (D) 2s 2, p4. I believe that quality education should be accessible to all, and I hope to empower learners worldwide to explore the wonders of chemistry. Exercise \(\PageIndex{1}\) Draw an orbital diagram and use it to derive the electron configuration of chlorine, Z = 17. Electron configuration of Silicon is [Ne] 3s2 3p2. 6. Electron configurations of atoms follow a standard notation in which all electron-containing atomic subshells (with the number of electrons they hold written in superscript) are placed in a sequence. The periodic table is a tabular display of the chemical The electron configuration of potassium ion(K +) is 1s 2 2s 2 2p 6 3s 2 3p 6. The As a full-time chemistry writer on Valenceelectrons. The second habit is to eat a Iodine Electronic Configuration is: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁵. Electron Configuration and Oxidation States of Chlorine. There are 2 steps to solve this one. Electron Configuration for Chromium (Cr, Cr 2+, Cr 3+) A Step (see video below). 8 D. Increased energy levels, improved moods, and physical well-being are some of the benefits of being a part of the dimensions of wellbeing. AnswerBot. Since bromine has 7 valence electrons, the 4s orbital will be completely filled with 2 electrons, and the remaining five electrons will occupy the 4p orbital. 1s2 valence electrons 2s² valence electrons 2p6 valence electrons 3s² valence How many valence electrons are found in the following electron configuration? 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5. It is because half-filled or fully filled subshells are more stable than partially filled orbitals. This electron configuration shows that the carbide ion(C 4−) acquired the electron configuration of neon and it achieves a stable electron configuration. The document provides instructions on writing the electron configuration of elements. Skip to content. The ground state electron configuration of zirconium is 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 4d 2 5s 2. Lesson 3: Electrons Part a: Electron Configurations Part 3a: Electron Configurations Part 3b: Electrons and the Periodic Table Part 3c: Exceptions to the Rules Electrons and Chemical Properties. For example, the electron configuration of sodium is 1s 2 2s 2 2p 6 3s 1 . This electron configuration shows that the Cl has a configuration of [Ne] 3s2 3p5. What is the electronic configuration of the V⁵⁺ ion? The electronic configuration of a vanadium atom is 1s2 2s2 2p6 3s2 3p6 4s2 3d3. Write in noble The Electron configuration of tungsten is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d4 6s2. Hassium: Value is a guess based on periodic table trend. Be2s2 b. The valence shell is the fourth shell (n=4), and the valence electrons are found in 4s2 4p2 configuration. jee main 2022; Share It On Facebook Twitter Email. Electron configuration of Chlorine is [Ne] 3s2 3p5. ; +4. This electron configuration shows that the last shell of the chlorine atom has an unpaired electron. 2. After the electron configuration, the last shell of the aluminum atom has three electrons. Examples of some neutral atoms and their electron configurations are The full electron configuration of titanium is 1s2 2s2 2p6 3s2 3p6 4s2 3d2 and the abbreviated electron configuration is [Ar]3d24s2. 4s 2, 4p 4 (C) 4d 10. Chemistry. In this article, we will study how electrons are arranged in different shells and subshells in the Iodine atom. Menu. 8 Electron Configurations and the Peri Here, the electron configuration of carbide ion(C 4−) is 1s 2 2s 2 2p 6. 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d1. Challenge Your Friends Zirconium ion(Zr 2+, Zr 4+) electron configuration. 1- (forms ns2 and np6) 1 extra electron 3. How many bonds can each atom make without hybridization? a. The valence shell electron configuration of the element, which is just above ‘E’ in the group is (A) 3s 2 - 3p 4 (B) 3d 10. Therefore, the valency and valence electrons of aluminum are 3. Moreover, half-filled subshells have fewer electron-electron repulsions in the orbitals, thereby are more stable. This electron configuration shows that the last shell of zirconium has two electrons and the d-orbital has a total of two electrons. D What is the most likely charge on an ion formed by an element with a valence electron configuration of ns2np5? A) 5-B) 1-C) 1+ D) 2+ E) 5+ B. C We obtain the valence electron configuration by ignoring the inner orbitals, which for phosphorus means that we ignore the [Ne] closed shell. 14 C. 18 E. The electronic configuration of cerium is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 Question: A. For example, manganese (Mn) has configuration 1s2 2s2 2p6 3s2 3p6 4s2 The sulfur electron configuration, represented as 3s 2 3p 4 or 1s 2 2s 2 2p 6 3s 2 3p 4, illustrates the arrangement of electrons within the atom. _____ It forms a monatomic ion with a charge of . The electron configurations of silicon (14 electrons), phosphorus (15 electrons), sulfur (16 electrons), chlorine (17 electrons), and argon (18 electrons) are analogous in the electron configurations of their outer shells to their corresponding family members carbon, nitrogen, oxygen, fluorine, and neon, respectively, except that the principal quantum number of the The valence electronic configuration is the arrangement of electrons int the outer most shell of the atom . Examples of elements in this period include Sodium, Magnesium, and Argon. Possible oxidation states are +4,6/-2. There are a total of 18 groups. Erbium is the 68th element in the periodic table and the symbol is ‘Er’. 2 electrons within 2s. The sulfur electron configuration, represented as [] 3s 2 3p 4 or 1s 2 2s 2 2p 6 3s 2 3p 4, illustrates the arrangement of electrons within the atom. The valency of the element is determined by electron configuration in the excited state. 6 Electron Arrangement: The Bohr Model (Orbits) 3. So the valency of sulfur is 6. C. The electron configuration shows the distribution of electrons into subshells. 7 remember there are two 4th energy sublevels -- s and p The electron configurations of atoms involved in a chemical bond _____ each other. Hence the full or expanded electronic configuration for bromine in accord with the Aufbau Principle is 1s 2 Question: 1) What is the correct electron configuration for the ion, In2+? Question 8 options: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p3 1s2 2s2 2p6 3s2 3p6 4s2 3d10 Write down the electron configuration of a ground state Ca2+ and more. Therefore, the electron configuration of sulfur(S**) in an excited state will be 1s 2 2s 2 2p 6 3s 1 3p x 1 3p y 1 3p z 1 3d xy 1 3d yz 1. For a main group element, the number of valence electrons that it may have depends on the electron For example the electronic configuration of phosphorus (P) is 1s2 2s2 2p6 3s2 3p3 so that there are 5 valence electrons (3s2 3p3), corresponding to a maximum valence for P of 5 as in the molecule PF 5; this ⬆️⬆️⬆️ The Electron configuration of magnesium is 3s 2. -3. Electron Configuration for Copper (Cu, Cu +, Cu 2+) A Step-by-Step This give us the (correct) configuration of: 1s2 2s2 2p6 3s2 3p6 3d10 4s1. This electron configuration shows that the last shell of the sulfur atom has six unpaired electrons. How many valence electrons does Cl have? 1. , Calcium's electron configuration is 1s2,2s2,2p6,3s2,3p6,4s2. It has a valence of +3. In the chlorine ground-state electron configuration, the five electrons of the 3p orbital are located in the p x (2), p y (2), and p z (1) orbitals. A main group element with the valence electron configuration 3s23p3 is in periodic group . to represent the core electrons of the atom. The ground state electron configuration of iron is 1s 2 2s 2 2p 6 3s 2 3p 6 3d 6 4s 2. Therefore, the valence electrons of selenium are six. Seaborgium: Value is a guess based on periodic table trend. Ra - Radium [Xe] 6s2 4f6. The chemical symbol for Aluminium is Al. 1s2 2s2 2p6 3s2 3p6. B (1) The element with a valence electron Instead, a valence electron for a transition metal is defined as an electron that resides outside a noble-gas core. Germanium (Ge) is located in Group 14 and Period 4. 7 Electron Arrangement: The Quantum Model (Orbitals/Subshells) 3. Aluminum ion(Al 3+) electron configuration. A main group element with the valence electron configuration 3s2 is in periodic group _____ It forms a monatomic ion with a charge of . B) oxygen. Then the correct electron configuration of chlorine in the ground state will be 1s 2 2s 2 2p 6 3s 2 3p x 2 3p y 2 3p z 1. The ground state electron configuration of titanium is 1s 2 2s 2 2p 6 3s 2 3p 6 3d 2 4s 2. This means part of the electron configuration has been replaced with the element symbol of the noble gas symbol. 9. 4. Iron ion(Fe 2+, Fe 3+) electron configuration. Sulfur(S) excited state electron configuration and orbital diagram. Groups- The periodic table's vertical columns are known as groups. 5. The ground state electron configuration of aluminum is 1s 2 2s 2 2p 6 3s 2 3p 1. Key Takeaways: One of the 4s2 electrons jumps to the 3d9 subshell, resulting in the electron configuration of 1s2 2s2 2p6 3s2 3p6 3d10 4s1. Discover the electron configuration of chromium and its Cr²⁺, Cr³⁺ ions, including ground and excited state configuration, and valency of chromium in detail. The configuration notation provides an easy way for scientists to write and communicate how electrons are arranged around the nucleus of an atom. A. The electron configuration of aluminum is 1s2 2s2 2p6 3s2 3p1. If an element with the valence configuration The element with a valence electron configuration of 3s23p1 is phosphorus, with atomic number 15. With 32 electrons, its electronic configuration is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p2. Familiarize yourself with valence electron configuration Define noble gas configuration An element with the same number of valence electrons as the element with the electron configuration 1s2 2s2 2p6 3s2 3p5 is A) iodine. An example is provided to demonstrate writing the Selenium ion(Se 2-) electron configuration. The neutral Mg atom has 12 electrons, while the Mg²+ ion has 10 electrons due to the loss of two electrons. P3s23p3 c. This give us the (correct) configuration of: 1s2 2s2 2p6 3s2 3p6 3d5 4s1. The chemical symbol for Chlorine is Cl. As we already know from our studies of quantum numbers and electron orbitals, we can conclude that these four quantum numbers refer to the 1s subshell. com, my mission is to share the knowledge I’ve gained about electron configuration, valence electrons, The element with the valence electron configuration 3s² 3p⁶ belongs to the third period of the periodic table, as the principal energy level indicated by the '3' shows this. Carbon exhibits a +4, +2, and -4 oxidation state. [1] Thus, the number of valence electrons that it may have depends on the electron configuration in a simple way. Ir - Iridium [Rn] 7s2. This indicates that: There are 2 electrons in the 1s orbital. F2s22p5 61. It outlines three rules for determining electron configuration: the Aufbau principle, Pauli's exclusion principle, and Hund's rule of maximum multiplicity. , Determine the shortest frequency of light required to remove an electron from a sample of Ti metal if the binding energy of titanium is 3. This is important as it is the Valence electrons 3s2 3p1, electrons in the outermost shell that determine the chemical properties of the element. This configuration corresponds to 8 valence electrons, which completes the third energy level. Phosphorus has 5 valence electrons in total, with two in the 3s orbital and one in the 3p orbital. These electrons can participate in chemical bonding with other atoms or molecules. Tungsten is a chemical element whose symbol is W, which was formerly represented by Tg and is also known as tungsten or tungsten. This list of electron configurations of elements contains all the elements in increasing order of atomic number. In conclusion, the 8 electron rule is an important concept in chemistry that explains why atoms form bonds and molecules with certain structures. All elements in group 1A have one valence electron. valence electron configuration: The electron configuration for cobalt is 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 7. This electron configuration Learn about noble gas configuration and electronic structure of atoms in this Khan Academy video tutorial. com, my mission is to share the knowledge I’ve gained about electron configuration, valence electrons, and atomic properties. For example, since phosphorus, group 15, The first element of the fourth period, potassium, which has one extra electron compared to argon, has the configuration 1s2 2s2 2p6 3s2 3p6 4s1. For the Cu+ ion we remove one electron from 4s1 leaving us with: 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10. For example, the abbreviated electron configuration for Lithium is [He] 2s 1, so the number of valence electrons is 1 (2s 1) In the case of Boron, the abbreviated electron configuration is [He] 2s 2 2p 1 , so the number of valence electrons is 1 (2s 2 2p 1 ) Sulfur - Electron Configuration and Oxidation States - S. . The excited state electron configuration of Titanium. Valence Electrons Be 1s2 2s2 2s2 2 Mg 1s2 2s2 2p6 3s2 3s2 2 Ca [Ar] 4s2 4s2 2 Be, Mg, and Ca are all in group 2 (or 2A). Write in noble gas abbreviations. Here, bromine has three unpaired electrons. ∙ 10mo ago. Solution. 14 × 103 kJ/mol. After writing brackets Ar, then we write the remaining subshells, which contain the valence electrons. In writing the electron configuration for Iron the first two electrons will go in the 1s orbital. This is known as the octet rule, which states, with the exception of the innermost shell, that atoms are more stable energetically when they have eight electrons in their valence shell, the outermost electron shell. 2. Bromide ion(Br –) electron configuration. This electron configuration shows that the potassium ion has three shells and the last shell has eight electrons. The transition metals are located in the lower part of the d-block and have an electron configuration that can be represented by the following diagram: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2. The chemical properties of an Question: (1) The element with a valence electron configuration of 3s2 is in group and period (2) The element with a valence electron configuration of 2s is in group and period . This electron configuration shows that the last shell of iron has two electrons and the d-orbital has a total of six electrons. We discussed chemical properties in Chapter 2. 13. Step-by-step tutorial for writing the Electron Configurations. The electrons that determine valence – how an atom reacts chemically – are those with the highest energy. Knowing the electron configuration of potassium aids in predicting its chemical reactivity and bonding behavior. C) argon. Notes on the Electron Shell Configuration of particular elements: Dubnium: Value is a guess based on periodic table trend. This means aluminum has 13 electrons in total, with two in the first energy level, eight in the second energy level, and three in the Study with Quizlet and memorize flashcards containing terms like The condensed electron configuration of magnesium, element 12, is _____. Here are the configurations of Be, Mg, and Ca Element Electron Configuration End Config. So, the electron configuration of phosphorus(P*) in an excited state will be 1s 2 2s 2 2p 6 3s 1 3p x 1 3p y 1 3p z 1 3d xy 1. _____ C. For the Cr 2+ ion we remove one electron from 4s1 and one from the 3d5 leaving us with: 1s 2 2s 2 2p 6 3s 2 3p 6 3d 4. Valence electron configuration for potassium is 4s1, indicating As a full-time chemistry writer on Valenceelectrons. 27 This partial periodic table shows electron configurations for the valence subshells of atoms. Electron configurations of elements beyond hassium (element 108) have never been measured; predictions are used Find the full electronic configuration and valence electrons of any periodic element using this electron configuration calculator. This is important as it is the Valence electrons 3s2 3p4, electrons in the outermost shell that determine the chemical properties of When writing an electron configuration, you have to write serially. Study with Quizlet and memorize flashcards containing terms like 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2, 1s2 2s2 2p6 3s2, Electron Configuration: Bismuth. Erbium has an atomic number of 68, which means that its atom has 68 electrons around its nucleus. their electrons are assigned to s and p orbitals only. Within each column, each element has the same valence electron configuration—for example, ns 1 (group 1) or ns 2 np 1 (group 13). This is important as it is the Valence electrons 3s2 3p2, electrons in the outermost shell that determine the chemical properties of the element. The electron configuration shows that the potassium The first three quantum numbers of an electron are n=1, l=0, m l =0. Calcium has ___ valence electron(s). Group 3 has 3 valence electrons, group 4 has 4 valence electrons, and so on. Show transcribed image text. 3. Write down the electron configuration of a ground state As [Ar] 4s2 3d10 4p3. The electron configuration of erbium 1s2 2s2 2p6 3s2 3p6 3. 5. Electron Configuration. Possible oxidation states are -4; . For a main-group element, the valence electrons are defined as those electrons residing in the electronic shell of highest principal quantum number n. With the Electron configuration of each element, it is possible to specify how the electrons are structured in the atoms of this element. In total this element has 12 electrons and as the magnesium ion loses two electrons in its valence shell, Mg → 1s2 2s2 2p6 3s2 Mg2+ → 1s2 2s2 2p6. com, my In this article, we will explore the electron orbital arrangement, shell configuration, and valence electron distribution of copper ions. Atoms can jump from one orbital to another orbital in an excited state. ⬆️⬆️⬆️ The electron configuration of Antimony is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p3. The number of valence electrons in an element with electron configuration 1s2 2s2 2p6 3s2 3p4 is _____. Magnesium has 12 electrons, arranged in the electron configuration of 1s²2s²2p⁶3s². Periodic Tables. Copy. Science; Chemistry; Chemistry questions and answers; Looking at the following electron configuration of a neutral atom, 1s2 2s2 2p6 3s2 3p5the number of valence electrons it contains is [ Select ]the number of core electrons it contains is [ Select ]what is the core charge of this atom [ Select ] Answer to Question 4 The full electron configuration of calcium. that they all have one valence electron. As a full-time chemistry writer on Valenceelectrons. So we can write 3s2 3p6. and more. For the Cu2+ ion we remove a total of Aluminium is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. As you will see, this is reflected in important similarities in the chemical reactivity and the bonding for the elements in each column. Electron Configuration Step-by-step tutorial for writing the Electron Configurations. their electrons are placed in a higher number of orbitals. Finally, in period four, we fill the 4s subshell with two electrons and the 3d subshell with two electrons. Step 1. VIDEO ANSWER: The first habit we need to talk about is regular physical activity. This gives a valence-electron configuration of 3s 2 3p 3. How many valence electrons does sulphur have? Sulphur has six valence electrons, which are located in the 3s and 3p subshells. This configuration can be determined through various methods, including the aufbau principle, periodic table organization, Bohr model representation, or orbital diagram visualization. leaving us with 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 1s2 2s2 2p6 3s2 3p6 3d5. Unabbreviated electronic configuration of neutral Aluminium It is easier to determine the electron configurations for the p-block elements in periods 1, 2, and 3 than to determine the electron configurations for the rest of the p-block elements in the periodic table because they have a larger number of core electrons. Notice that they all have two valence Question: 53. The valence electrons (here 3s 2 3p 3) are written explicitly for all atoms. 8. The chemical element included in the group of metalloids is. The electron configuration of bromine shows that the last shell of bromine has seven electrons. Write a hybridization and bonding scheme for each molecule. The block to which an element belongs indicates that its valence electrons are found in the corresponding subshell. Identify the core and valence electrons in this electron configuration. By “building up” from hydrogen, this table can be used to determine the electron configuration for atoms of most elements in the For atoms with many electrons, this notation can become lengthy and so an abbreviated notation is used. Only two electrons can correspond to these, which would be either m s = -1/2 or m s = +1/2. Figure 6. Electron Configuration: Actinium The complete electron configuration for bismuth should be written as 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p3. Chemical properties describe how a substance interacts with other substances to form compounds. , Give the number of valence electrons for Te. Meitnerium: Value is a guess based on periodic table trend. Answer to Looking at the following electron configuration of a. To save room, the configurations are in noble gas shorthand. For atoms with many electrons, this notation can become lengthy and so an abbreviated notation is used. Science; Chemistry; Chemistry questions and answers; Question 4 The full electron configuration of calcium is: 1s² 2s² 2p 3s² 3p6 4s² Label these electrons as core electrons or valence electrons using the drop-down arrows provided. Why is it that sulphur has two unpaired electrons? The electronic configuration of the S (sulphur) atom's valence shell = 3s2 3p4. 6 B. The electron configuration for potassium is 1s2 2s2 2p6 3s2 3p6 4s1. Therefore, the valence electrons of zirconium are four. This is called quantum jump. The elements that have 5, 6, or 7 electrons in the last shell receive the electrons in the last shell during bond formation. com, my mission is to share the knowledge I’ve gained about electron configuration, valence electrons, Question: The number of valence electrons in an element with electron configuration 1s2 2s2 2p6 3s2 3p4 is _____. The electronic configuration of Chromium is 1s2 ,2s2 , 2p6 , 3s2 ,3p6 ,4s1 ,3d5 and not 1s2 ,2s2 , 2p6 , 3s2 ,3p6 ,4s2 ,3d4. The valence electron configurations of several atoms are shown here. The electron configuration "Ne 3s2 3p1" When writing an electron configuration, you have to write serially. The valence shell configuration of Mg is 3s², indicating its ability to form two bonds. This rule is also important for understanding the stability of compounds, as molecules with an octet configuration tend to be more stable than those with fewer electrons in the valence shell. This configuration can be determined through various methods, including the The main group element with the valence electron configuration 3s2 is Magnesium (Mg). Electron configuration of Sulfur is [Ne] 3s2 3p4. It defines electron configuration as a way of writing the locations of all electrons in an atom. All of the alkali metals have a single valence electron in the outer electron shell, which is easily removed to create an ion with a positive charge Question: The electron configuration for cobalt is 1s2 2s2 2p6 3s2 3p6 4s2 3d7. Magnesium's atomic number is 12, and its ground state electron configuration is Study with Quizlet and memorize flashcards containing terms like 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p1 = 3e-, 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5s6 = 2e-, [Rn] Write long form configuration and how many valence electrons it has. I believe that quality education should be accessible to all, Study with Quizlet and memorize flashcards containing terms like An element that has the electron configuration [Ne] 3s2 3p5 is in Period, An element that has the electron configuration [Ne] 3s2 3p5 is in Group, Elements in the s and p blocks of the periodic table are called and more. The complete electron configuration for gold should be written as 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s1 4f14 5d10. 10th Edition. The electron configuration of selenium shows that the last shell of selenium has six electrons. Unabbreviated electronic configuration of Solution for What is the name of the element with a valence electron configuration of 2s22p3? What is the name of the element with a valence electron configuration of 3s2? BUY. Possible oxidation states are +1,5,7/-1. Author: Steven S. full core electron configuration: B. wsrpju cnjtcl wznsofs peyygwl dacd kxyl vcre taui ufk rehfnu tzersvs kexv oqgn nkgmu ulfn