Question

An element x has an atomic number 11, and another element Y has an atomic

number 19. In both elements which element is small in atomic size. and why.​

Answer 1

Answer:

y

Explanation:

plzzz mark me as a brainlist plzzz

Answer 2

Size of element having atomic number 19 is small because both element X and Y belong to same period and as we move from left to right in a period atomic size decrease.

Explanation:

I hope it will help you di