Question

For each of the following formulas, choose the correct name.

i. Pb²⁺
ii. S₂
iii. Ni²⁺

A. lead ion, sulfur ion, nickel ion
B. lead ion, sulfur ion, nickelide ion
C. lead(II) ion, sulfur ion, nickel ion
D. lead(II) ion, sulfide ion, nickel ion
E. lead(II) ion, sulfide ion, nickel(II) ion

Answer 1

For Pb²⁺, S²⁺, and Ni²⁺, the correct names are lead(II) ion, sulfide ion, and nickel(II) ion, respectively, making the correct answer E.

Step-by-step explanation:

The correct names for the given formulas:

1. Pb²⁺ is called lead(II) ion.
2. S²⁺ is called sulfide ion.
3. Ni²⁺ is called nickel(II) ion.

Therefore, the correct option is E: lead(II) ion, sulfide ion, nickel(II) ion.