Emission Spectrum / Atom Review

Front

How many electrons are in Potassium?

Back

19

Front

What is a valence electron?

Back

Electrons in the outermost energy level.

Front

True or False: The ground state is the highest energy state of an atom.

Back

False

Front

The unknown emissions spectra belongs to which element?

Back

Helium

Front

What happens when an electron drops from a higher to a lower energy level?

Back

Emission of light occurs.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is the relationship between energy levels and electron configuration?

Back

Electrons occupy energy levels based on their energy.

Front

What is an emission spectrum?

Back

A spectrum of the electromagnetic radiation emitted by a source.

Front

What does it mean for an atom to be in an excited state?

Back

An atom has absorbed energy and has electrons in higher energy levels.

Front

What is the significance of the ground state of an atom?

Back

It is the lowest energy state and the most stable configuration.