8.6 The group 1 elements

The Group 1 elements are ............................

• metal

• gas

• could be both

The Group 1 elements are insulator

• true

• false

• could be both

The boiling points of the Group 1 elements also decrease from top to bottom of the group.

• true

• false

• could be both

The Group 1 elements have low densities compared to most other metals.

• true

• false

• could be both

The Group 1 elements have exciting reactions with water.

The reactions make ................... and .................

• hydrogen gas

• alkaline solution

• oxygen gas

• acidic solution

sodium + water ==>

• sodium hydrgen + hydrogen

• sodium hydroxide + hydrogen

• sodium hydroxide + oxygen

• sodium hydroxide + oxide

potassium + water ==>

• potassium + hydrogen

• potassium + oxygen

• potassium hydroxide + hydrogen

• potassium hydroxide + oxygen

shiny when freshly cut

• most metals

• group 1 metals

• both

good conductor of electricity

• most metals

• group 1 metals

• both

soft

• most metals

• group 1 metals

• both