Valence Electrons
Lewis Dot Symbol
100

Number of Valence electrons in the first column

1

100

Lewis dot for Hydrogen

H with one dot

200

Number of Valence electrons in group 3 A

3

200

Lewis dot for O

6 dots around O

300

Number of Valence electrons in group 2A

2

300

The Lewis Dot Structure of Antimony.

5 dots around Sb

400

Number of Valence electrons in group 16B

6

400

The Lewis Dot Structure for Chlorine (Cl).

7 dots around Cl

500

Number of Valence electrons in group 8A (INCLUDE THE EXCEPTION).

8 except for He which has only 2

500

The Lewis Dot Structure of Selenium (Se).

6 dots around Se

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