Interpreting the Periodic Table

Front

What are valence electrons?

Back

Electrons farthest away from the nucleus.

Front

Which group of the periodic table has the greatest number of valence electrons?

Back

Group 18.

Front

In which group is Sodium (Na) found?

Back

Group 1.

Front

How many valence electrons are found in atoms of group 14?

Back

4 valence electrons.

Front

What is the chemical symbol for Lithium?

Back

Li.

Front

What is the periodic table?

Back

A tabular arrangement of chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.

Front

What does the atomic number represent?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the groups in the periodic table?

Back

Elements in the same group have similar chemical properties and the same number of valence electrons.

Front

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

Back

Metals, nonmetals, and metalloids.

Front

What is a chemical symbol?

Back

A one or two-letter notation used to represent an element.