Atom Element Molecule Compound #1

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What is an element?

Back

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

Front

What is a molecule?

Back

A group of two or more atoms chemically bonded together.

Front

What is a compound?

Back

A substance formed when two or more different elements are chemically bonded together.

Front

TRUE OR FALSE: Every compound is a molecule but not every molecule is a compound.

Back

TRUE

Front

What is the term for chemically joining 2 or more atoms together?

Back

Molecules

Front

How many elements are represented in the compound Na2CO3?

Back

3

Front

What is the difference between an atom and a molecule?

Back

An atom is a single unit of an element, while a molecule is a group of two or more atoms bonded together.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is the chemical formula for water?

Back

H2O, which consists of 2 hydrogen atoms and 1 oxygen atom.