Families of the Periodic Table

Front

Most of the elements on the periodic table are classified as _____

Back

Metals

Front

The _______________ electrons are the electrons on the outermost energy level of the atom.

Back

valence

Front

Which is an alkali metal?

Back

Sodium

Front

Elements with atomic numbers 57-70 and 89-102 are known as _____________.

Back

Lanthanides and Actinides

Front

Which is a halogen?

Back

Chlorine

Front

What are the three main categories of elements in the periodic table?

Back

Metals, Nonmetals, Metalloids

Front

What is the general property of alkali metals?

Back

They are highly reactive and have one valence electron.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What group of elements is known for being noble gases?

Back

Group 18 elements, such as Helium and Neon.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.