Question

Consider the following elements ₂₀Ca, ₈Or ₁₈Ar, ₁₆S, ₄Be, ₂He
Which of the above elements would you expect to be in group 16 of the Periodic Table?

Options

• ₂₀Ca and ₁₆S

• ₂₀Ca and ₈O

• ₁₈Ar and ₁₆S

• ₈O and ₁₆S

Answer 1

₈O and ₁₆S