Chemistry for 6th Graders

Front

What is H2O commonly known as?

Back

Water.

Front

What is the chemical formula for ethanol?

Back

C2H6O.

Front

What does 'homo' mean in Greek?

Back

Same.

Front

What does 'hetero' mean in Greek?

Back

Different.

Front

What is the chemical formula for glucose?

Back

C6H12O6.

Front

What is a compound?

Back

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

Front

What is a mixture?

Back

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

Front

What is the difference between a homogeneous mixture and a heterogeneous mixture?

Back

A homogeneous mixture has a uniform composition, while a heterogeneous mixture has a non-uniform composition.

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 bonded together.