Periodic Table Quiz

The modern periodic table is arranged by:

• Atomic mass

• Atomic number

• Number of neutrons

• Reactivity

Elements in the same group share the same number of:

• Protons

• Neutrons

• Valence electrons

• Atomic mass

Which of these is an alkali metal?

• Magnesium

• Sodium

• Aluminum

• Iron

Nonmetals are typically found:

• On the left side

• On the right side

• In the middle

• In the bottom rows

Which family of elements is the most reactive?

• Noble gases

• Halogens

• Alkali metals

• Alkaline earth metals

Metals are usually:

• Brittle

• Good conductors of heat and electricity

• Poor conductors

• Found as gases

Metalloids share properties of:

• Metals and nonmetals

• Noble gases and halogens

• Alkaline earth metals and alkali metals

• Transition metals

Noble gases are unique because they:

• Are highly reactive

• Have complete outer electron shells

• Form -1 ions

• Are liquid at room temperature

The halogen family is known for:

• Being nonreactive

• High reactivity with metals

• Being all gases

• Malleability

Sodium belongs to the:

• Halogens

• Noble gases

• Alkali metals

• Transition metals