How to Write Lewis Dot Symbols for Atoms

By Team Aakash BYJU'S | 15th January 2023

Write Lewis dot symbols for atoms of the following elements: Mg, Na, B, O, N and Br.

Lewis Dot Structure Diagram

There are Mg two valence electrons in the Mg atom. Hence, the Lewis dot symbol for Mg is

Lewis Dot Symbols for Mg

 Mg

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Na: There is only one valence electron in an atom of sodium. Hence, the Lewis dot structure is

Lewis Dot Symbols for Na

Na

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B: There are 3 valence electrons in the Boron atom. Hence, the Lewis dot structure is

Lewis Dot Symbols for B

B

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O: There are six valence electrons in an atom of oxygen. Hence, the Lewis dot structure is

Lewis Dot Symbols for O

O

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:

:

N: There are five valence electrons in an atom of nitrogen. Hence, the Lewis dot structure is

Lewis Dot Symbols for N

N

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Br: There are seven valence electrons in bromine. Hence, the Lewis dot structure is

Lewis Dot Symbols for Br

Br

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:

:

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