Question

TRUE OR FALSE? In the periodic table, the number of valence electrons in each
element decreases from left to right across each period.

Answer 1

Answer:

True

Explanation:

The number of valence electrons decreases from left to right across each period. The number of valence electrons increases from top to bottom within each group. All of the elements in group 9 have nine valence electrons. Elements with the most valence electrons are in group 18.