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18 December, 19:37

How many nitrogen atoms are present in calcium nitrate, Ca (NO3) 2? A) 6. B) 3. C) 2. D) 1

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  1. 18 December, 21:24
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    Ca (NO3) 2

    Ca = 1 atom

    O = 6 atoms

    N = 2 atoms

    Answer C
  2. 18 December, 22:03
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    We are given the compound calcium nitrate, Ca (NO3) 2 and is asked for the number of atoms of nitrogen present. In this compound given, there are 1 atom of calcium, 2 atoms of nitrogen, and 6 atoms in total of oxygen. Hence the answer to this problemis C. 2
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