Elements vs Compounds

Front

What do elements and compounds have in common?

Back

Both are matter.

Front

A pure substance of 1 type of atom is called____

Back

an element.

Front

What part of the chemical equation is the reactants?

Back

The reactants are on the left side of the arrow.

Front

What is a compound?

Back

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

Front

What is an element?

Back

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

Front

What does a subscript in a chemical formula indicate?

Back

The number of atoms of the element in the compound.

Front

How many atoms of Oxygen (O) are in H2O?

Back

1 atom of Oxygen.

Front

What is the chemical formula for water?

Back

H2O.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of substances that are not chemically bonded, while a compound is made of two or more elements that are chemically bonded.

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.