A chemical change _____________ the identity of the substance.

• changes

• maintains

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

A substance made up of two or more chemically combined elements is —

• an element

• mixture

• compound

• solution

Tags

NGSS.MS-PS1-1

A substance made of only one type of atom is called —

• an element

• a mixture

• a compound

• a salt

Which of the following is a property of an ionic compound?

• high melting point

• soft

• malleable

• liquid at room temperature

What elements generally make an ionic bond?

• metal and nonmetal

• 2 or more nonmetals

• metal

• none of the above

Tags

NGSS.MS-PS1-1

Identify the product(s) in this word equation

• Sodium

• Sodium chloride

• Sodium and Chlorine

• Sodium and sodium chloride

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Magneisum reacts with oxygen to form magnesium oxide. The correct word equation is...

• A

• B

• C

• D

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Identify the WHMIS symbol by choosing the description of the hazard.

• fire hazards

• may cause less serious health effects or damage the ozone layer

• may cause or suspected of causing serious health effects

• may cause damage to the aquatic environment

A chemical change _____________ the identity of the substance.

• changes

• maintains

• destroys

• creates

Tags

NGSS.MS-PS1-1

A substance made up of two or more chemically combined elements is —

• an element

• mixture

• compound

• solution