A- Write the ground-state electron configuration for Ca. B- Write the ground-sta

Question

A- Write the ground-state electron configuration for Ca.

B- Write the ground-state electron configuration for Si.

C- Write the ground-state electron configuration for S.

D-Write the ground-state electron configuration for Ga.

Express your answer in condensed form, in order of increasing orbital energy. For example, [He]2s22p2 would be entered as [He]2s^22p^2.

PART G and H in the attched pictuers

Secure https://session.masteringchemistry.com/myct/itemview?assignmentProblemiD-93815326 Ch 8 QuizExercise 8.86 e previous| 10 of 10 |retum to assignment Exercise 8.86 Part F Arrange the elements in order of decreasing atomic radius. Rank elements from largest to smallest atomic radius. To rank items as equivalent, overlap them. Consider these elements: P, Ca, Si, S, Ga. Reset Help Largest Smallest The correct ranking cannot be determined. Submit My Answers Give Up Part G Arrange the elements in order of decreasing ionization energy. Rank elements from highest to lowest ionization energy. To rank items as equivalent, overlap them Reset Help

Explanation / Answer

A)

Number of electron in Ca = 20

Electronic configuration is 1s2 2s2 2p6 3s2 3p6 4s2

Noble gas having lesser electron than Ca and closest to it is Argon (Ar)

Number of electron in Ar = 18

electronic configuration of Ar is: 1s2 2s2 2p6 3s2 3p6

So, electronic configuration of Ca in noble gas form is:

[Ar]4s^2

B)

Number of electron in Si = 14

Electronic configuration is 1s2 2s2 2p6 3s2 3p2

Noble gas having lesser electron than Si and closest to it is Neon (Ne)

Number of electron in Ne = 10

electronic configuration of Ne is: 1s2 2s2 2p6

So, electronic configuration of Si in noble gas form is:

[Ne]3s^23p^2

C)

Number of electron in S = 16

Electronic configuration is 1s2 2s2 2p6 3s2 3p4

Noble gas having lesser electron than S and closest to it is Neon (Ne)

Number of electron in Ne = 10

electronic configuration of Ne is: 1s2 2s2 2p6

So, electronic configuration of S in noble gas form is:

[Ne]3s^23p^4

D)

Number of electron in Ga = 31

Electronic configuration is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p1

Noble gas having lesser electron than Ga and closest to it is Argon (Ar)

Number of electron in Ar = 18

electronic configuration of Ar is: 1s2 2s2 2p6 3s2 3p6

So, electronic configuration of Ga in noble gas form is:

[Ar]3d^104s^24p^1

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