Atoms and Molecules

Front

All matter is made of extremely tiny particles called _______________

Back

atoms

Front

The center of an atom is called the ____________.

Back

nucleus

Front

Atomic nucleus is made up of ____________

Back

protons and neutrons

Front

Proton number is

Back

Number of protons in an atomic nucleus

Front

Proton number also known as ____________

Back

Atomic number

Front

Nucleon number

Back

Total number of protons and neutrons in an atomic nucleus

Front

Isotopes are atoms of the same element that have same number of protons but different _________

Back

number of neutrons

Front

If an atom has 5 protons and 3 neutrons, what is its atomic number?

Back

5

Front

What is the atomic mass of an atom?

Back

number of protons and neutrons in the nucleus

Front

Which subatomic particle of an atom has a positive charge?

Back

proton