Question

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

Answer 1

Ca(NO3)2

Ca = 1 atom

O = 6 atoms

N = 2 atoms

Answer C

Answer 2

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