Atoms and Molecules AZ 5th Grade Science

Front

What are the positive particles of an atom?

Back

Protons are the positive particles of an atom.

Front

What are molecules?

Back

Molecules are 2 or more atoms bound together.

Front

What is the reason that any sample of matter has mass and takes up space?

Back

Matter is made up of tiny particles that have mass and take up space.

Front

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

Back

The nucleus is the central region of an atom.

Front

Is hydrogen a compound?

Back

False, hydrogen is an element.

Front

What are the negatively charged particles of an atom called?

Back

Electrons are the negatively charged particles of an atom.

Front

What is the smallest unit of an element?

Back

An atom is the smallest unit of an element.

Front

What do we call a substance made of two or more different elements?

Back

A compound is a substance made of two or more different elements.

Front

What is the term for the space around the nucleus where electrons are found?

Back

The electron cloud is the space around the nucleus where electrons are found.

Front

What is the charge of neutrons?

Back

Neutrons have no charge; they are neutral.