How would you define atomic number and mass number ?

1 Answer
Nov 22, 2015

Answer:

By the number of particles that are contained in the atomic nucleus.

Explanation:

The number of positively charged particles contained within the nucleus is given by #Z#, the atomic number. #Z# plus the number of neutrally charged particles in the nucleus gives the mass number.

What are the names of the positively charged and neutrally charged particles?