Question

Use the table to determine the number of protons for each atom. Then, choose the statement below that is true about the two atoms.
O Atoms X and Atom Y are in the same family.
O Atom X is in a column to the right of Atom Y on the periodic table.
O Atom X and Atom Y are in the same row on the periodic table.
O Atoms X and Atom Y are isotopes.

Answer 1

C
The elements are Lithium and Beryllium— just look at the mass number on the periodic table