Electronic configuration and valency Questionbank

1:2

2:3

1:1

2:1

$[\text{Ar}]~3\text{d}^6$

$[\text{Ar}]~4\text{s}^2 3\text{d}^6$

$[\text{Ar}]~4\text{s}^1 3\text{d}^5$

$[\text{Ar}]~4\text{s}^2 3\text{d}^4$

$\mathrm{MgN}_2$

$\mathrm{Mg}_2\mathrm{N}_3$

$\mathrm{Mg}_3\mathrm{N}_2$

$\mathrm{MgN}$

Gallium ($\text{Ga}$)

Calcium ($\text{Ca}$)

Potassium ($\text{K}$)

Germanium ($\text{Ge}$)

$s$

$s \text{ and } p$

$s, p, \text{ and } d$

$s, p, d, \text{ and } f$

$[\text{Ar}] \, 4\text{s}^2 \, 3\text{d}^2$

$[\text{Ar}] \, 4\text{s}^1 \, 3\text{d}^1$

$[\text{Ar}] \, 4\text{s}^2$

$[\text{Ar}] \, 3\text{d}^2$

$\text{1s}^2\text{ 2s}^2\text{ 2p}^6\text{ 3s}^2\text{ 3p}^5$

$\text{1s}^2\text{ 2s}^2\text{ 2p}^6\text{ 3s}^2\text{ 3p}^6$

$\text{1s}^2\text{ 2s}^2\text{ 2p}^6\text{ 3s}^1$

$\text{1s}^2\text{ 2s}^2\text{ 2p}^6\text{ 3s}^2\text{ 3p}^4$

number of protons in the nucleus

mass relative to carbon-12

total number of electrons

combining power based on valence electrons

2

4

8

6

Sulfur ($\text{S}$)

Silicon ($\text{Si}$)

Phosphorus ($\text{P}$)

Chlorine ($\text{Cl}$)