Science, asked by rajivgarg828, 5 months ago

What is the mass number of an element?​

Answers

Answered by Anonymous
4

Explanation:

The mass number is defined as the total number of protons and neutrons in an atom. Consider Table below which shows data from the first six elements of the periodic table. Consider the element helium. Its atomic number is 2, so it has two protons in its nucleus.

Similar questions