2nd Block: Chapter 1 and 2 Test

It has a fixed volume and has no definite shape.

• solid
• liquid
• gas
• plasma

Which of the following is a heterogeneous mixture?

• oxygen
• salt
• gatorade
• dirt and water

A compound is

• a substance, made of two or more atoms that are chemically bonded, that can be broken down into simpler, stable substances.
• any substance, whether it is chemically bonded or not.
• a substance that cannot be broken down into simpler, stable substances.
• the smallest unit of matter that maintains its chemical identity.

A chemical can be defined as

• an unnatural additive placed in food.
• a toxic substance.
• any substance that is not alive.
• any substance that has a definite composition.

The symbol mm represents

• micrometer.
• millimeter.
• milliliter.
• meter.

An atom is

• the smallest unit of matter that maintains its chemical identity.
• always made of carbon.
• smaller than an electron.
• the smallest unit of a mixture.

Which of the following is an intensive property of matter?

• mass
• amount of conductivity
• melting point
• volume

The two most important properties of all matter are

• the ability to carry an electric current well and to hold electric charge.
• taking up space and having mass.
• being brittle and hard.
• Being malleable and ductile.

Matter includes all of the following except

• air.
• light.
• smoke.
• water vapor.

A mixture is a combination of two or more kinds of matter that are not chemically combined.

• True
• False