A substance that cannot be broken down into simpler substances is

An element

The science of matter and how it changes

Chemistry

The smallest unit of a substance that behaves like the substance is

An atom

Which of the following is a gas-liquid mixture? The air we breathe A carbonated drink Soapsuds Ice cubes

Carbonated Drink

A material that can be represented by a chemical formula is a

Pure substance

Heterogeneous mixture You put 1 gram of salt into 1 liter of water and stir. The resulting liquid is an example of A pure substance Heterogeneous mixture A homogeneous mixture An immiscible mixture

A homogeneous mixture

Substance Solution Colloid Suspension Smoke is an example of a Substance Solution Colloid Suspension

Colloid

Another name for a liquid homogeneous mixture Suspension Substance Solution Liquid

Solution

Matter is defined as anything that

Has mass and takes up space

A heterogeneous mixture containing a liquid in which visible particles settle is called a?

Suspension

A mixture that contains two or more substances blended evenly throughout is called a ?

Homogeneous Mixture

A substance in which all atoms are alike is called?

An element

The scattering of light by colloidal particles is called the?

Tyndall Effect

Water element compound mixture

compound

Sulfur element compound mixture

element

Pepper element compound mixture

Mixture

Vinegar homogeneous heterogeneous

homogeneous

Italian Salad Dressing homogeneous heterogeneous

heterogeneous

Tea suspension colloid solution

solution

Orange juice with pulp suspension colloid solution

suspension

Fog suspension colloid solution

colloid

A molecule of water (H2O) is made from _____ combining two hydrogen atoms and one oxygen atom. a. physically b. ionically c. thermally d. chemically  

chemically  

The chemical formula for water, H2O, means that each water molecule contains two hydrogen atoms and two oxygen atoms. two hydrogen atoms and one oxygen atom. two hydrogen atoms and zero oxygen atoms. one hydrogen atom and two oxygen atoms.

two hydrogen atoms and one oxygen atom.

Which of the following is not a pure substance? a. element b. molecule c. compound d. mixture

mixture

Which of the following is an element? a. salt b. iron c. nylon d. sand

iron

The different substances in a mixture a. keep their properties. b The different substances in a mixture a. keep their properties. b. combine chemically. c. form new molecules. d. cannot be separated.

keep their properties.

A heterogeneous mixture with particles that NEVER settle? a. solution b. suspension c. colloid d. compound

colloid

Which tool is best for separating a mixture of sand and water. a Which tool is best for separating a mixture of sand and water? a. tweezers b. magnet c. centrifuge d. filter

filter

Any material made of two or more substances that can be physically separated? a. element b. mixture c. compound d. molecule

mixture

Unlike a mixture, a pure substance has a. atoms b. molecules c. a specific size. d. a fixed composition.

a fixed composition.

The resistance of a fluid to flow is referred to as a. pressure. b. energy. c. viscosity. d. shape.

viscosity.

Matter includes all of the following EXCEPT a. air. b. light. c. smoke. d. water vapor.

light

A(n) _________________ is NOT homogeneous. a. suspension b. element c. compound d. solution

suspension