Atoms and the Periodic Table

Front

What does the nucleus of an atom contain?

Back

Protons and neutrons.

Front

What is the name of the table that organizes all known elements?

Back

Periodic Table of Elements.

Front

All matter is made of _________.

Back

Atoms.

Front

What does the number 1.00794 represent in the periodic table?

Back

Atomic mass.

Front

An electron has a _________ charge.

Back

Negative.

Front

What are the three main subatomic particles of an atom?

Back

Protons, neutrons, and electrons.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their properties and atomic structure.