PS 5.3 Formative

Group of extremely reactive metals with a single valence electron.

• alkali metals

• alkaline Earth metals

• halogens

• noble gases

Group 2A on the periodic table.

• alkali metals

• alkaline Earth metals

• halogens

• noble gases

A member of Group 3A, _____ is the most abundant metal in Earth's crust.

The group that contains 4 valence electrons is called the _____.

• carbon family

• boron family

• oxygen family

• nitrogen family

How many valence electrons does phosphorus (a member of the nitrogen family) contain?

_____ is the most abundant element in Earth's crust.

• nitrogen

• aluminum

• oxygen

• carbon

Elements in Group 7A are called _____.

• noble gases

• alkali metals

• transition metals

• halogens

Elements that belong to this group are colorless and odorless gases and are extremely unreactive.

• halogens

• noble gases

• alkali metals

• alkaline Earth metals

The element chlorine belongs to which group?

• alkali metals

• alkaline Earth metals

• halogens

• noble gases

An electron that is in the highest occupied energy level of an atom is called a _____ electron.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2