Question

An atom's Lewis dot structure has three dots. Which of the following elements could it be, and why?

Aluminum, because it is in group 13 and has three valence electrons.
Lithium, because it is a group 1 element with three total electrons.
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.

Answer 1

I am thinking A.)

Answer 2

after searching ur question up i see voclaloid made an attempt to help u. she gave u the answer tbh. u just have to work the rest out (:

Answer 3

Yeah i am just kinda confused