Let Me Atom Atoms! Practice Atom Test

Front

What is the maximum number of electrons that can occupy the second shell of an atom?

Back

8

Front

What is the atomic number of an element that has 34 protons in its nucleus?

Back

34

Front

The atomic mass of an element is determined by the sum of the masses of which subatomic particles?

Back

Protons and neutrons

Front

An atom with an atomic number of 22 is likely to have how many electrons?

Back

22

Front

What is the term used to describe atoms of the same element that have different numbers of neutrons?

Back

Isotopes

Front

If an atom has an atomic mass of 27 and an atomic number of 13, how many neutrons does it have?

Back

14

Answer explanation

Remember:

#neutrons = mass number - atomic number

Front

This atom has ___ neutrons.

Back

14

Front

This atom has a mass of ___. (protons = orange)

Back

8

Front

This atom has a charge of ___.

Back

1+

Front

This atom has a charge of ___. (protons = orange)

Back

2+