Patterns on the Periodic Table and Atoms

Front

What is the horizontal row on the periodic table called?

Back

Period

Front

How many valence electrons does Phosphorus have?

Back

5

Front

What are the yellow elements in the periodic table called?

Back

Nonmetals

Front

How many valence electrons does Sodium have?

Back

1

Front

What determines an element's identity?

Back

The number of protons.

Front

What is the vertical column on the periodic table called?

Back

Group or Family

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What are noble gases?

Back

Elements in Group 18 that are colorless, odorless, and inert.

Front

What is a valence electron?

Back

An electron in the outermost shell of an atom that can participate in chemical bonding.