Chemistry
WAEC 2013
An atom of an element X gains two electrons. The symbol of the ion formed is
-
A.
X +
-
B.
X 2+
-
C.
X 2-
-
D.
X -
Correct Answer: Option C
Explanation
X gained two electrons. X = 2-.
The ion formed is X\(^{2-}\).
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