Question

9. Name the notation used to
represent the valence electrons
of an atom
​

Answer 1

Answer:

valancy

Explanation:

Eg Valancy of Na is 1

and it has 1 electron in its outermost shell

Answer 2

Explanation:

Lewis Symbols

In the Lewis symbol for an atom, the chemical symbol of the element (as found on the periodic table) is written, and the valence electrons are represented as dots surrounding it. Only the electrons in the valence level are shown using this notation. representated by dots