Groups in the periodic table

Alkali metals

Highly reactive metals

Alkali metals

Naturally found in salts

Transactinides

Radioactive and very unstable elements

Alkaline Earth metals

React with water to form alkaline hydroxides (except Beryllium)

Alkaline earth metals

Readily lose their outermost electron to form +2 cations

Nitrogen group

Also known as Pnictogens

Transition metals

Also known as the d-block elements

Lanthanides

Silver-colored metallic elements found in the minerals in the Earth’s crust

Lanthanides and Actinides

Known as the inner transition metals and the f-block elements

Actinides

Dense radioactive metals

Carbon group

All have 4 valence electrons

Carbon group

From hydrides with hydrogen

Oxygen group

Composed of electronegative nonmetals and metalloids

Boron group

Have low melting points and poor hardness

Noble gases

Composed of nonmetals that are monoatomic

Halogens

Only group that contains solid, liquid and gas