Pls what is the difference between the mass number and atomic number ​

Atomic mass is associated with the number of neutrons and protons that are present in a particular nucleus of an element. Atomic number is usually the number of protons present in an element's nucleus. It is the average weight of an element. It is the total number of nucleons in the atom's nucleus.

Explanation:

i think its 100.

hope this !

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)