Alkali Metals

Which alkali metal is most reactive out of the following

• rubidium

• potassium

• sodium

• lithium

How many electrons do the alkali metals have in their outer shell?

• 1

• 2

• 8

• 7

Which alkali metal has the symbol Cs

• Caesium

• Ceasium

• Calcium

• Sodium

Is hydrogen an alkali metal?

• no

• yes

• maybe

What happens to the melting point of the alkali metals as you move down the group?

• decreases

• increases

Which gas is released when the alkali metals react with water?

• hydrogen

• oxygen

• hydroxide

• carbon dioxide

Which alkali metal has the electron configuration 2.1?

• lithium

• potassium

• sodium

• rubidium

Which alkali metal is the least reactive?

• lithium

• sodium

• potassium

• rubidium

What is the formula of a group 1 metal oxide?

• M₂O

• MO

• MO₂

• Mo

How many protons does a sodium atom have?

• 11

• 23

• 12