Periodic Table

Front

What is the main topic of the Periodic Table?

Back

The Periodic Table organizes all known chemical elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are the vertical columns on the periodic table called?

Back

Groups.

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an element reacts chemically with other elements.

Front

How many valence electrons do elements in Group 1 have?

Back

1 valence electron.

Front

How many valence electrons do elements in Group 2 have?

Back

2 valence electrons.

Front

How many valence electrons do elements in Group 13 have?

Back

3 valence electrons.

Front

Which group of elements are known as the alkali metals?

Back

Group 1.

Front

Which group of elements are known as the alkaline earth metals?

Back

Group 2.

Front

Which group of elements are the most reactive nonmetals?

Back

Group 17.

Front

What are the horizontal rows on the periodic table called?

Back

Periods.