Electrons and Energy Levels

Front

What is the location of the electron?

Back

The free floating negatively charged electron cloud.

Front

What's a valence electron?

Back

Electrons in the outermost energy level.

Front

How many electrons does Silicon (Si) contain?

Back

14.

Front

Why do atoms have no electric charge?

Back

Because they have an equal number of electrons and protons.

Front

What is the charge of a neutral atom?

Back

Neutral (0).

Front

What are energy levels in an atom?

Back

Regions around the nucleus where electrons are likely to be found.

Front

What is the charge of an electron?

Back

Negative (-1).

Front

What is the nucleus of an atom?

Back

The very dense positively charged center of an atom containing protons and neutrons.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element.

Front

What is an ion?

Back

An atom or molecule that has gained or lost one or more electrons, resulting in a net charge.