SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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KI is a polyatomic compound
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TRUE
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FALSE
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Is iodide a polyatomic ion? No, iodide is not a polyatomic ion instead it is an anion of the element iodine.
Detailed explanation-2: -Polyatomic ions can be combinations of metals and nonmetals is a false statement because the polyatomic ions are formed only by a combination of metal ions. Thus, Polyatomic ions can be combinations of metals and nonmetals is a false statement.
Detailed explanation-3: -Indeed, most ionic compounds contain polyatomic ions. Well-known examples are sodium hydroxide (NaOH) with OH-as the polyatomic anion, calcium carbonate (CaCO3), and ammonium nitrate (NH4NO3), which contains two polyatomic ions: NH+ and NO3-.
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