Give the chemical symbol of an element in the third period (row) of the periodic table with three valence electrons. Express your answer as a chemical symbol

Question

Chemistry

Aidyn Black

16 February, 16:20

Give the chemical symbol of an element in the third period (row) of the periodic table with three valence electrons. Express your answer as a chemical symbol

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Hadley Mccann · Answer 1

Aluminium or Al has 13 electrons. 2 fall into the first energy level and 8 fall into the second energy level which means there are 3 more electrons in the outermost energy level, meaning you have 3 valence electrons.