Atomic Structure Review

Front

What is unique for any given element?

Back

The number of protons.

Front

What state is an atom in when an electron has moved to a higher energy level?

Back

Excited state.

Front

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

Back

Mass number - atomic number.

Front

What is the number of protons in Carbon (C)?

Back

6.

Front

What moves between energy levels when an atom gains or loses energy?

Back

Electrons.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number?

Back

The total number of protons and neutrons in an atom's nucleus.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of an electron?

Back

Negative.