Use the periodic table to write electron configurations for each of the followin

Question

Use the periodic table to write electron configurations for each of the following elements Represent core electrons with the symbol of the previous noble gas in brackets. Part A Cl Express your answer in condensed form in order of increasing orbital energy as a string without blank space between orbitals. For example, [He]2s^22p^2 should be entered as [He]2s^22p^2. Part B As Express your answer In condensed form In order of increasing orbital energy as a string without blank space between orbitals. For example, [He]2s^22p^2 should be entered as [He]2s^22p^2. Part C Y Express your answer in condensed form in order of increasing orbital energy as a string without blank space between orbitals. For example, [He]2s^22p^2 should be entered as [He]2s^22p^2. Part D Te Express your answer in condensed form In order of increasing orbitall energy as a string without blank space between orbitals. For example, [He]2s^22p^2 should be entered as [He]2s^22p^2.

Explanation / Answer

A)

chlorine has 17 electrons...

the nearest noble gas is Neon, with 10 electrons, so 7 are left...

[Ne] 3s2 3p5

b)

[Ar] 3d10 4s2 4p3

c)

Z = 39

so... nearest gas is krypton

[Kr] 4d1 5s2

d)

Te --> 52

nearest gas is also kyrpton

[Kr] 4d10 5s2 5p4

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