Unit 3.2 Review

Front

What does the atomic number represent in an atom?

Back

The atomic number gives you the number of protons in an atom.

Front

What happens when an electron moves to its ground state from an excited state?

Back

A photon is emitted from the gaseous atom.

Front

What is the region called where electrons are most likely to be found?

Back

The region is called an Orbital.

Front

What happens to energy as the wavelength of light increases?

Back

As wavelength increases, energy decreases.

Front

What are valence electrons?

Back

Valence electrons are found in the outermost energy level of an atom and determine the behavior of the atom.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of a neutron?

Back

A neutron has no charge (neutral).

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

What is an excited state of an electron?

Back

An excited state occurs when an electron has absorbed energy and moved to a higher energy level.

Front

What is the difference between an inner shell and an outer shell in an atom?

Back

Inner shells are closer to the nucleus and hold fewer electrons, while outer shells are further away and can hold more electrons.