Question

In the balanced chemical formula for strontium nitride (Sr2N3), how many strontium atoms are there?

a) 2
b) 3
c) 4
d) 5

Answer 1

In the compound strontium nitride (Sr2N3), there are 2 strontium atoms.

Step-by-step explanation:

In the balanced chemical formula for strontium nitride (Sr2N3), there are 2 strontium atoms. The number in front of the element symbol indicates the number of atoms of that element in the compound. So, in Sr2N3, there are 2 strontium atoms and 3 nitrogen atoms.