which species represents a chemical compound?
I would like to clarify which species represents a chemical compound. Here are the options: A) NH₄⁺ B) N₂ C) NaHCO₃ D) Na. I found this question confusing because I chose A, but it was marked wrong on my chemistry test. Could you please explain why the correct answer is right and provide some insight into the reasoning behind it? Thank you!
2 Answers
A. NH4+ is an ion. You can tell because of the + charge. It is not a compound because it can’t exist in bulk form by itself; you need a – charge elsewhere to balance it out.
B. N2 is an element. You can tell because it has only one kind of atom (nitrogen). Compounds have at least two different types of elements.
D. Wrong, for same reason as B.
That leaves C as the right answer.
Feb 18, 2025
(A) That’s an ion, its nitrogen with an additional proton (or more likely, one less electron).
(B) Is nitrogen an element
(D) Is sodium another element
(C) Is the correct answer.
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