Atoms: Protons, Neutrons, Electons

Front

What charge does a neutron have?

Back

No charge.

Front

What is an atomic number?

Back

The number of protons in an atom of a specific element.

Front

What is at the center of every atom?

Back

A nucleus.

Front

What is the mass number?

Back

The number of protons plus neutrons.

Front

Where are electrons located in the atom?

Back

In shells/orbitals.

Front

What is the charge of a proton?

Back

Positive charge.

Front

What is the role of electrons in an atom?

Back

Electrons are involved in chemical bonding and reactions.

Front

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

Back

Subtract the atomic number from the mass number.

Front

What is the significance of the atomic number?

Back

It determines the identity of the element.

Front

What particles make up the nucleus of an atom?

Back

Protons and neutrons.