This means that there are 7 protons in the nucleus of a nitrogen atom.
Answer:
To find the average atomic mass, you take a certain number of atoms, find the total mass of each isotope, and then divide the total mass of all the atoms by the total number of atoms. Assume that you have, say, 10 000 atoms of carbon
Explanation:
It is A. This is because the rate of reaction is defined as the speed at which the reactants are converted into the products.