Atoms, Elements, Molecules, Compounds

Front

What is the basic building block of matter?

Back

Atom

Front

What is formed when 2 or more atoms come together?

Back

Molecule

Front

What type of molecule contains more than one type of atom?

Back

Compound

Front

Which of the following is a compound: NaCl, O2, Hydrogen, He2?

Back

NaCl

Front

What is formed when two or more atoms of any type combine?

Back

Molecule

Front

What is a substance made of only one type of atom called?

Back

Element

Front

What is the smallest unit of a chemical compound?

Back

Molecule

Front

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

Back

Compound

Front

What is the term for a substance that cannot be broken down into simpler substances?

Back

Element

Front

What is the difference between an atom and a molecule?

Back

An atom is a single particle, while a molecule is made of two or more atoms bonded together.