Valence Electrons - Chemistry

ion

When an atom loses electrons or gains electrons.

octet rule

What is the rule of how an atom can achieve a stable electron configuration?

Anion

when an ion gains electrons, it is…

Cation

when an ion loses electrons, it becomes a…

positive

If an atom loses electrons, the charge will be…

negative

If an atom gains electrons, the charge will be…

Noble Gas

This can’t form into an ion because it already has 8 valence electrons

Carbon and Silicon

This can’t form into an ion because it has 4 valence electrons

Boron

This can’t form into an ion because it has 3 valence electrons but can’t form into an ion easily.

H⁺

Ion of H

Be²⁺

Ion of Be

B³⁺

Ion of B

N^3-

Ion of N

O^2-

Ion of O

F^1-

Ion of F

+1 (group 1)

What charge and group is this?

+2 (group 2)

What charge and group is this?

+3 (group 13)

What charge and group is this?

+4,-4 (group 14)

What charge and group is this?

-3 (group 15)

What charge and group is this?

-2 (group 16)

What charge and group is this?

-1 (group 17)

What charge and group is this?

Neutral (Noble Gases) (group 18)

What charge and group is this?

Alkali metal

Group 1

Alkali earth metal

Group 2

other metals

Group 13

Transition metals

Group 3-12

Other Non-metals

Group 14

Other non-metals

Group 15

Other non-metals

Group 16

other Halogens

Group 17

Nobel gas

Group 18