ATOMS: protons, neutrons, & electrons

Front

What is the charge of a proton?

Back

Positive charge.

Front

What is the charge of a neutron?

Back

Neutral charge.

Front

What is the charge of an electron?

Back

Negative charge.

Front

What is the nucleus of an atom made of?

Back

Protons and neutrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What does the symbol 'He' represent?

Back

Helium.

Front

What is the abbreviated way to write an element called?

Back

Symbol.

Front

What is the mass of a proton compared to a neutron?

Back

Approximately equal.

Front

What is the role of electrons in an atom?

Back

They orbit the nucleus and are involved in chemical bonding.

Front

How do you find the number of neutrons in an atom?

Back

Subtract the atomic number from the atomic mass.