Question

As you move from left to right across a period on the periodic table the size of an atom will

Answer 1

Answer:the atomic radius will decrease.The nucleus of the atom will gain protons moving from left to right

Step-by-step explanation:

Answer 2

Moving from left to right across a period, the atomic radius decreases. The nucleus of the atom gains protons moving from left to right, increasing the positive charge of the nucleus and increasing the attractive force of the nucleus upon the electrons.