Chemistry, 01.11.2020 22:30 reyesmtz5414

An atom's Lewis dot structure has three dots. Which of the following elements could it be, and why? Magnesium, because it is in period 3 and has three valence electrons.

Potassium, because it is an alkali metal and has three inner shell electrons.

Lithium, because it is a group 1 element with three total electrons.

Aluminum, because it is in group 13 and has three valence electrons.

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