Question

hich of the following elements has the largest atomic mass?
a. oxygen (o) b. chlorine (cl) c. helium (he)
e. sulfur (s)

Explanation:

Atomic masses (from periodic table): Oxygen (O) ≈ 16.00 u, Chlorine (Cl) ≈ 35.45 u, Helium (He) ≈ 4.00 u, Sulfur (S) ≈ 32.07 u. Comparing these values, Chlorine has the highest atomic mass.

Answer:

b. Chlorine (Cl)