7.4 Compounds 5th Grade Review Flashcards

Front

What is a chemical change?

Back

A chemical change is a change of matter that results in a new substance that is different from the original substances.

Front

What occurs during a chemical change?

Back

Atoms join to form compounds, and also when they break apart.

Front

What is a compound?

Back

A compound is formed when the atoms of two or more elements combine.

Front

Give an example of a compound.

Back

Sugar is an example of a compound.

Front

What does a chemical formula represent?

Back

A chemical formula has symbols to show which elements have combined to form that particular compound.

Front

What do subscripts in a chemical formula indicate?

Back

Subscripts indicate the number of atoms that have combined.

Front

What prefixes are sometimes added to element names?

Back

Prefixes like mon-, di, or tri- are added to the element names.

Front

What is carbon monoxide?

Back

Carbon monoxide is the compound formed when carbon combines with one oxygen atom.

Front

What is the formula for water?

Back

The formula for water is H2O.

Front

What is the formula for sulfur dioxide?

Back

The formula for sulfur dioxide is SO2.