Atoms

Front

What are the particles in an atom that are neutral and have no charge?

Back

Neutrons are the particles in an atom that are neutral and have no charge.

Front

What are the positive particles of an atom called?

Back

Protons are the positive particles of an atom.

Front

True or False? Neutrons have a negative charge.

Back

False. Neutrons have no charge.

Front

What does the number 1.00794 represent in atomic terms?

Back

The number 1.00794 represents the atomic mass of Hydrogen.

Front

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

Back

The central region of an atom is called the nucleus.

Front

What are the negatively charged particles in an atom?

Back

Electrons are the negatively charged particles in an atom.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus.