Answer:
Atomic neutron mass electron number
Explanation:
I just took that quiz , it’s A
Answer:
"nonmetal, nonmetal"
Explanation:
Oxygen is a non metal and Nitrogen is a non metal. It is 8th element of the periodic table. It is located in period 2 and group 16.
Nitrogen lies at the group 15 of the periodic table. Its atomic no is 7. Its valency is 2.
Hence, the correct option is (c) "nonmetal, nonmetal".
Empirical formula is the simplest way the molecular formula can be wrote so here 7 goes into all of these so it would be CH2O