Atomic Structure

Front

What is the charge of an atom with equal numbers of protons and electrons?

Back

Neutral

Front

What do we call an atom that has lost or gained electrons?

Back

Ion

Front

Who proposed that electrons orbit the nucleus in specific energy levels?

Back

Niels Bohr

Front

What is the model of the atom associated with Niels Bohr?

Back

Bohr Model

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What particle in an atom has a positive charge?

Back

Proton

Front

What particle in an atom has no charge?

Back

Neutron

Front

What particle in an atom has a negative charge?

Back

Electron

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons.

Front

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

Back

Mass number - Atomic number.