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 in the periodic table?

Back

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

Front

Which group of elements has two valence electrons?

Back

Group 2.

Front

What are the horizontal rows on the periodic table called?

Back

Periods.

Front

What are metals?

Back

Metals are elements that are typically shiny, malleable, ductile, and good conductors of heat and electricity.

Front

What are nonmetals?

Back

Nonmetals are elements that are generally poor conductors of heat and electricity and can be gases, liquids, or brittle solids.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals.

Front

Which group of elements are the most reactive metals?

Back

Group 1.

Front

Which group of elements are the most reactive nonmetals?

Back

Group 17.