Semester Test Practice - Skills (some vocab mixed in)

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

What is the majority of elements on the periodic table?

Back

Metals.

Front

What is group 17 on the periodic table called?

Back

Halogens.

Front

What type of mixture is milk?

Back

Homogeneous mixture.

Front

What two types of measurements make up density?

Back

Mass and Volume.

Front

What is a heterogeneous mixture?

Back

A mixture where the components are not uniform and can be easily separated.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout.

Front

What are transition metals?

Back

Elements found in groups 3-12 of the periodic table, known for their ability to form various oxidation states.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals, found along the zig-zag line on the periodic table.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.