Atoms and sub atomic particles

Front

When an atom has the same number of protons and electrons, the atom is __________?

Back

neutral

Front

Complete the missing label on the diagram: __________

Back

Nucleus

Front

If an atom has 4 protons and 5 neutrons, what is its atomic mass?

Back

9

Front

The smallest particle of an element is known as the __________

Back

Atom

Front

Which statement explains why most of the mass of an atom is contained in the relatively small nucleus?

Back

Protons and neutrons have more mass than electrons.

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What charge does a proton have?

Back

Positive charge

Front

What charge does a neutron have?

Back

No charge (neutral)

Front

What charge does an electron have?

Back

Negative charge

Front

Where are protons and neutrons located in an atom?

Back

In the nucleus