Ggg,

Boiling point, define

Temperature, define -

Gas to solid change, name

Gas to liquid name

Volatile liquid

What are isotopes?

Lithium (group 1) is not very reactive and doesn’t react very vigorously with water. What will happen to sodium (group 1, beneath lithium) if it gets in water ?

Group 1 (as we go down)

Reactivity goes

Density goes

Boiling point goes

Group 2 (as we go down)

Reactivity goes

Density goes

Boiling point goes

Group 7 (as we go down)

Reactivity goes

Density goes

Boiling point goes