Unit 4 Atoms, Elements, Molecules and Compounds

Front

What is the basic building block of matter?

Back

Atom

Front

What do we call two or more atoms bonded together?

Back

Molecule

Front

What is a compound?

Back

A molecule that is formed from two different elements/atoms.

Front

Which of the following is a compound but not a molecule?

Back

Sodium Chloride (NaCl)

Front

What is H2O most accurately described as?

Back

Compound

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

Front

What is the smallest unit of a chemical element?

Back

Atom

Front

What is the difference between a molecule and a compound?

Back

A molecule can be made of the same or different atoms, while a compound is specifically made of different atoms.

Front

What is the term for a substance made of only one type of atom?

Back

Element

Front

What is the center of an atom called?

Back

Nucleus