Valence Electrons
Lewis Dot Symbol
Lewis Dot Structures Covalent
Ionic or Covalent?
100

Number of Valence electrons in the first column

1

100

Lewis dot for Hydrogen

H with one dot

100

The Lewis Dot Structure of CH4

4 h around 1 c

100

What type of bond is formed between Lithium and Fluorine?

Ionic

200

Number of Valence electrons in group 13

3

200

Lewis dot for O

6 dots around O

200

The Lewis Dot Structure of NH3

3 h around 1 n with 2 paired electrons

200

What type of bond is formed between Magnesium and Sulfur?

Polar Covalent

300

Number of Valence electrons in group 16

6

300

The Lewis Dot Structure of Antimony.

5 dots around Sb

300

Lewis Dot Structure for HCl

h-cl 3 sets of paired electrons

300

What type of bond is formed between Phosphorous and Sulfur?

Non Polar Covalent
400

Number of Valence electrons in group 2A

2

400

The Lewis Dot Structure for Chlorine (Cl).

7 dots around Cl

400

The Lewis Dot Structure of H2O

h-o-h 2 paired electrons on o

400

What type of bond is formed between Sodium and Chlorine?

Ionic

500

Number of Valence electrons in group 18 (INCLUDE THE EXCEPTION).

8 except for He which has only 2

500

The Lewis Dot Structure of Selenium (Se).

6 dots around Se

500

The Lewis Dot Structure for HCN

1 h single bond c triple bond n 1 paired electrons

500

What type of bond is formed between Hydrogen and Carbon?

Polar Covalent