GK
BIG BANG THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which ion is POLYATOMIC?
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K1+
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Se2-
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OH1-
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Al3+
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Explanation:
Detailed explanation-1: -It is made up of only two atoms.
Detailed explanation-2: -A simple example of a polyatomic ion is the hydroxide ion, which consists of one oxygen atom and one hydrogen atom, jointly carrying a net charge of −1; its chemical formula is OH −. In contrast, an ammonium ion consists of one nitrogen atom and four hydrogen atoms, with a charge of +1; its chemical formula is NH+4.
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