Unit 5 Periodic Law Review

Front

What is Group 1 of the periodic table commonly referred to as?

Back

Alkali metals.

Front

Which element has a larger atomic radius: sodium or magnesium?

Back

Sodium.

Front

Which of the following is NOT one of the three broad classes of elements? Metals, Nonmetals, Transitional metals, Metalloids?

Back

Transitional metals.

Front

What property did Mendeleev use to organize his periodic table?

Back

Atomic mass.

Front

Which element has a higher first ionization energy: nitrogen or oxygen?

Back

Oxygen.

Front

What are the main groups of the periodic table?

Back

Alkali metals, Alkaline earth metals, Transition metals, Halogens, Noble gases.

Front

What is the periodic law?

Back

The properties of elements are a periodic function of their atomic numbers.

Front

What is the trend in atomic radius across a period?

Back

Atomic radius decreases from left to right across a period.

Front

What is the trend in ionization energy down a group?

Back

Ionization energy decreases as you move down a group.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.