Groups on the PT

Front

What are periods on the periodic table?

Back

Periods are horizontal rows on the periodic table.

Front

What is the name of group number 1?

Back

Alkali metals.

Front

What is the name of group number 2?

Back

Alkaline earth metals.

Front

What group number are the halogens found?

Back

Group 17 (7A).

Front

What are groups on the periodic table?

Back

Groups are vertical columns on the periodic table.

Front

What is the main characteristic of alkali metals?

Back

They are highly reactive and have one electron in their outer shell.

Front

What is the main characteristic of alkaline earth metals?

Back

They are reactive but less so than alkali metals and have two electrons in their outer shell.

Front

What are noble gases?

Back

Noble gases are group 18 elements that are colorless, odorless, and mostly unreactive.

Front

What are transition metals?

Back

Transition metals are found in groups 3-12 and are known for their ability to form various oxidation states.

Front

What is the significance of the atomic number in the periodic table?

Back

The atomic number represents the number of protons in an atom's nucleus and determines the element's identity.