Question

ASAP HELP PLEASE

Based on the periodic table, which of the following pairs of elements would have similiar properties?

-Rb and Sr
-Na and Ca
-O and S
-Cl and Ar

Answer 1

Answer:

O and S  

Step-by-step explanation:

The elements with similar properties are in the same Group of the Periodic Table.

The most similar elements in your list are O and S.

Both are in Group 16 and have six valence electrons.

A is wrong. Rb is in Group 1 and Sr is in Group 2.

B is wrong. Na is in Group 1 and Ca is in Group 2.

D is wrong. Cl is in Ar is in Group 18.

Answer 2

O and S

They share the same group (group 16) while the others do not