Question

which element has the same properties as phosphorus but has a larger mass? arsenic lead silicon nitrogen

Explanation:

Step1: Recall periodic table trends

Elements in the same group (vertical column) of the periodic table have similar chemical properties. Phosphorus (\(P\)) is in group 15.

Step2: Check group membership

• Arsenic (\(As\)) is in group 15.
• Lead (\(Pb\)) is in group 14.
• Silicon (\(Si\)) is in group 14.
• Nitrogen (\(N\)) is in group 15 but has a smaller mass than phosphorus.

Answer:

Arsenic