Ionic and Covalent bonds

Exercise Answers

electron

Mg

O

2+ 2

Mg O

MgO

electron

Mg

O

2+ 2

Li2O

electron

Li

O

+2

Li

+

Li LiO

Li2O

electron

Li

O

+ 2

2

electron

H

C

H

H

H

electron

H

C

H

H

H

CH4

2 shared electrons

2 shared electrons

2 shared electrons

2 shared electrons

electron

C

O

O

electron

C

O

O

CO24 shared electrons

4 shared electrons