ATOMS

Front

What is the central region of an atom where its neutrons and protons are located?

Back

Nucleus

Front

What is all matter made of?

Back

Atoms

Front

If an atom has 3 electrons, how many protons does it have?

Back

3

Front

What are the positively charged particles of an atom called?

Back

Protons

Front

What are atoms mostly filled with?

Back

Empty space

Front

What are the three main subatomic particles of an atom?

Back

Protons, neutrons, and electrons

Front

What charge do neutrons have?

Back

No charge (neutral)

Front

What is the charge of electrons?

Back

Negative charge

Front

Where are electrons located in an atom?

Back

In the electron cloud surrounding the nucleus

Front

What is the mass of a proton compared to an electron?

Back

Protons are much heavier than electrons.