More Chemistry Problems

Problem:



Solution:

Question 6

	Full	Abbreviated	Valence
Silicon	$1s^2 2s^2 2p^6 $	[Ne] $ 3s^2 3p^2 $	4
Calcium	$ 1s^2 2s^2 2p^6 3s^2 3p^2 4s^2 $	[Ar] $ 4s^2 $	2
Manganese	$ 1s^2 2s^2 2p^6 3s^2 3p^2 4s^2 3d^5 $	[Ar] $4s^2 3d^5 $	7
Bromine	$ 1s^2 2s^2 2p^6 3s^2 3p^2 4s^2 3d^{10} 4p^5 $	[Ar] $ 4s^2 3d^{10} 4p^5 $	7
Krypton	$ 1s^2 2s^2 2p^6 3s^2 3p^2 4s^2 3d^{10} 4p^{6} $	[Kr]	8

Question 7

	+ electron affinity	+ Ionization energy	+ size
Carbon and Nitrogen	Nitrogen	Nitrogen	Carbon
Argon and Bromine	Argon	Argon	Bromine
Magnesium and Potassium	Magnesium	Magnesium	Potassium
Fluorine and Chlorine	Florine	Florine	Chlorine

Question 8

$ Li_3N $
$ NaBr $
$ K_2S $