The Periodic Table Vocabulary and Practice Questions

The Periodic Table

Vocabulary and Practice Questions

• Use your own paper

• Write each term and the definition.

• Do NOT shorten the definitions.

​Vocabulary

THEN: Answer the questions on the following slides. Refer to this reading and your vocabulary.

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Multiple Select

The weighted average of the atomic masses of the naturally occurring isotopes of an element.

• average atomic mass

• atomic number

• number of isotopes

• mass number

Multiple Choice

A one, two, or three letter representation of the name of an element.

• atomic number

• chemical formula

• chemical symbol

• periodic table

Multiple Choice

An arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column, or group.

• group

• chemical symbol

• periodic table

• malleable

Multiple Choice

In chemistry, a horizontal row of elements in the periodic table.

• metal

• period

• metalloid

• group

Multiple Choice

Russian chemist who developed a periodic table of the chemical elements and predicted the discovery of several new elements.

• Demitri Mendeleev

• Democritus

• JJ Thompson

• Vladimir Putin

Multiple Choice

An element that conducts heat and electricity poorly.

• metal

• metalloid

• nonmetal

• malleable

Multiple Choice

An electron that is found in the outermost shell of an atom and that determines the atom's chemical properties.

• proton

• atom

• valence electron

• cation