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".
Atomic mass is the answer!!
Explanation: An elements atomic number won’t be able to change
I think the right answer for this question is option A. The energy absorbed so the mass will be increased.
In an acid and base neutralization reaction, the products are salt and water.