Sci. 8 Mixtures, Elements, and Compounds

Which of the following is an example of heterogeneous mixture?

• milk

• flour

• salt

• salad

When two or more substances are mixed together but not chemically combined, the resulting combination is a

• element

• mixture

• compound

• phase change

Al, Cu, and O are symbols for

• compounds

• elements

• mixtures

• molecules

Which of the following can be broken down into simpler substances by chemical, but not physical means?

• liquid

• compound

• solid

• mixture

A solution is a

• type of compound

• heterogeneous mixture

• homogeneous mixture

• type of molecule

substance that contains only one kind of atom is called

• compound

• molecule

• element

• mixture

solid solution that is a mixture of two metals

• compound

• alloy

• molecule

• sublimate

An element is divided into smaller and smaller parts, the smallest particle obtained is a (an)

• molecule

• compound

• mixture

• atom

A mixture of iron filings and sulfur can be easily separated by

• placing the mixture in water

• using a magnet

• performing a chemical reaction

• heating the mixture

In general, when elements combine chemically

• they retain all their original properties

• a mixture results

• new substances with new and different properties are formed