U3: Chemical Science Assessment

What type of mixture is this?

• heterogeneous 
• homogeneous

A substance that contains only one type of atom is a(n)

• compound
• element
• heterogeneous mixture
• homogeneous mixture

What is matter?

• a pure substance
• anything that occupies space and possesses mass
• an element
• a compound

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Which is an example of a physical property?

• ability to react with acid
•  state of matter
• flammability
• ability to react with oxygen

Properties that can be observed without trying to change the identity of the substance.

• Physical
• Chemical

A __________________ is a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity.

• mixture

• pure substance

• compound

• element

True or False: elements are pure substances.

• True

• False

Elements are broadly classified as metals, nonmetals, and _________________.

• compounds

• organic

• metalloids

• Metallica

In a ______________, one substance is dissolved in another substance.

• solution

• suspension

• colloid

Soil is an example of a ____________________ mixture.

• heterogeneous

• homogeneous

• pure