Midterm for Physical Science

Front

Each row (Horizontal) in the periodic table is called?

Back

Period

Front

Each column (Vertical) in the periodic table is called?

Back

Group

Front

What is the central region of an atom where its neutrons and protons are located?

Back

Nucleus

Front

What is the atomic number?

Back

The number of protons in an atom.

Front

Where is most of the mass in an atom concentrated?

Back

Nucleus

Front

What are the three subatomic particles of an atom?

Back

Protons, Neutrons, Electrons.

Front

What charge do protons carry?

Back

Positive charge.

Front

What charge do electrons carry?

Back

Negative charge.

Front

What is the charge of neutrons?

Back

Neutral (no charge).

Front

What is the electron cloud?

Back

The region around the nucleus where electrons are likely to be found.