Atoms, Elements, Molecules, Compounds

Front

What is the center of an atom called?

Back

The nucleus.

Front

What is all matter made of?

Back

Atoms.

Front

What are the basic building blocks of matter?

Back

Atoms.

Front

What is found on the Periodic Table?

Back

Elements.

Front

What do we call horizontal rows on the periodic table?

Back

Periods.

Front

What are the negatively charged particles in an atom?

Back

Electrons.

Front

What are the positively charged particles in an atom?

Back

Protons.

Front

What are the particles with no charge in an atom?

Back

Neutrons.

Front

What is a substance made of two or more elements chemically combined?

Back

A compound.

Front

What is a pure substance that cannot be broken down into simpler substances?

Back

An element.