Atomic Structure

What is the atomic number of an element with 14 protons?

How many electrons fit into the first electron shell?

How many electrons fit into the second electron shell?

How many electrons fit into the third electron shell?

Subatomic particles with a negative charge

Which subatomic particle determines the identity of an element?

What is the mass number of this atom?

Most of the mass in an atom is made up of _____________________?

DIFFERENT kinds of atoms chemically combined to form a substance are

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.