Final Review - Atoms and the Periodic Table

Front

An electron has a _________ charge.

Back

negative

Front

A proton has a ___________ charge.

Back

positive

Front

What is the number of protons that the element in this image contain?

Back

7

Front

How many protons does Oxygen (O) have?

Back

8

Front

__________ are negatively charged particles that are in the orbitals around the nucleus.

Back

electrons

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

Define isotopes.

Back

Atoms of the same element that have different numbers of neutrons.

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.

Front

What do groups in the periodic table represent?

Back

Columns that indicate elements with similar chemical properties.