Question

3. Which of the following statements is true?

a. A lithium ion has a 1+charge because it gained
one electron.
b. A magnesium ion has a 2-charge because it
lost two electrons.
c. A sulfide ion has a 2-charge because it gained
two electrons.
d. A chloride ion has a 1+ charge because it gained
one electron.
e. An aluminum ion has a 3-charge because it lost
three electrons.

Answer 1

c. A sulfide ion has 2- charge because it gaines two electrons

thia statement is true.