Chemistry HP Final - Chapter 1

Noble gases are:

Nonreactive (Unreactive)

A physical change occurs when:

A glue gun melts a glue stick.

A chemical change occurs when:

A leaf changes color in the fall.

A non metal is usually:

Brittle

Which of the following is an intensive property of matter? A. Amount of Energy B. Density C. Volume D. Mass

Density

A compound is:

A substance, made of two or more atoms that are chemically bonded, that can be broken down into simple stable substances.

Matter includes all of the follow except:

Air

Which of the following is not a physical change? Grinding Cutting Boiling Burning

Burning

The vertical columns on the periodic table are called:

Groups

If a mixture is not uniform throughout, it is called:

Heterogeneous

If a mixture is uniform in composition, it is said to be:

Homogeneous

What happens to the energy in a substance when it changes state?

It change form, but is neither destroyed nor increased.

A measure of the quantity of matter is:

Mass

Which of the following is not a chemical change? Rusting Igniting Melting Burning

Melting

The horizontal rows on the periodic table are called:

Periods

The two most important properties of all matter are: A. The ability to carry an electric current well and to hold electric charge. B. Taking up space and having mass. C. Being brittle and hard. D. Being malleable and ductile.

Taking up space and having mass.

An atom is: A. The smallest unit of matter that maintains its chemical identity. B. The smallest unit of a compound. C. Always made of carbon. D. Smaller than an electron.

The smallest unit of matter that maintains its chemical identity.

Under ordinary conditions of temperature and pressure, the particles in a gas are:

Very far from one another.

Which of the following is an extensive property of matter? A. Melting Point B. Boiling Point C. Volume D. Density

Volume