Elements and Compounds Practice

Classify the picture with the correct label.

• Mixture of Compounds

• Mixture of Elements

• Compound

• Mixture of Elements & Compounds

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

These can only be separated by chemical means. 

• element 

• compound 

• mixture 

• stuff 

Salt has a chemical formula of NaCl.  Salt is a...

• Compound

• Element

• Mixture

• None of the Above

Tags

NGSS.MS-PS1-1

Pure substances are composed of only one type of atom are —

• elements and can be represented by one chemical symbol.

• alloys and can be represented by one chemical symbol.

• mixtures and can be represented by two or more chemical symbols.

• compounds and can be represented by two or more chemical symbols.

Tags

NGSS.MS-PS1-1

Which of the following results when hydrogen and chlorine chemically bond to form hydrogen chloride?

• a mixture

• a solution

• a compound

• a precipitate

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Compound

• A pure substance composed of the same type of atom throughout.

• A measure of how much matter is present in a substance.

• A pure substance formed when two or more elements are chemically bonded during a chemical reaction

• A combination of two or more substances that do not chemically combine and can be separated.

Tags

NGSS.MS-PS1-5

Periodic Table of Elements

• Anything that has volume and mass.

• A measure of the space that matter occupies.

• A table in which all the known elements are arranged by properties and are represented by chemical symbols.

• Physical and chemical characteristics of matter used to describe or identify a substance.

• molecules.

• elements.

• gases.

• solids.

Tags

NGSS.MS-PS1-1

Which combination of letters could be used as a chemical symbol for an element?

• BR

• ChA

• Dy

• FeO

Which phrase does NOT apply to compounds?

• can be separated using physical means

• made of two or more elements

• has a unique set of properties

• made of chemically joined atoms