Matter Matters

Front

What is a molecule?

Back

A molecule is two or more atoms chemically bonded together.

Front

What is a compound?

Back

A compound is a type of matter made of two or more different elements chemically combined.

Front

What can be inferred if a white block has more mass than a black block on a balance?

Back

The white block is heavier than the black block.

Front

What does H2O represent?

Back

H2O is a chemical formula that represents water.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a combination of two or more substances that are not uniformly distributed, like cereal with milk.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a mixture?

Back

A mixture is 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 throughout, while a heterogeneous mixture has distinct, separate components.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is mass?

Back

Mass is a measure of the amount of matter in an object, usually measured in grams or kilograms.