Answer:
A
Explanation:
The purpose of the periodic table was to organize elements as they were discovered into periods and groups, according to their properties. It was not just a naming of elements, as a list.
A. dose
a dose is an amount, a response is an action, and pollutant and toxins are substances
I think 1.00 mol sorry if I’m wrong
Nitrogen is diatomic which exists as N2. This is because of its small size and high electronegativity.
Phosphorus is tetra atomic which exists as P4.