DCP#2 Review 24/25 (2/2)

Front

The law of conservation of mass states that matter ___________________.

Back

cannot be created or destroyed.

Front

All of the following would classify an element as a metal except?

Back

Dull.

Front

A chemical substance made up of two or more kinds of atoms bonded together is called a __________.

Back

Compound.

Front

Which of the following is true about dissolving candy?

Back

Dissolving candy is a physical change because a new substance is NOT formed, this can be reversed.

Front

If an unknown substance conducts heat and electricity, has a shiny luster, and breaks easily, it is most likely a __________.

Back

metalloid.

Front

What is a metal?

Back

A metal is a substance that is typically shiny, malleable, ductile, and a good conductor of heat and electricity.

Front

What is a nonmetal?

Back

A nonmetal is a substance that is usually dull, brittle, and a poor conductor of heat and electricity.

Front

What is a metalloid?

Back

A metalloid is a substance that has properties of both metals and nonmetals.

Front

What is a physical change?

Back

A physical change is a change that does not alter the chemical composition of a substance.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances.