Question

pls answer (fill in the blank)

Answer 1

Property:

-Reactivity  

Alkali metals:

-very reactive

Transition metals:

-less reactive

Property:

-Density

Alkali metals:

-Can float on water  

Transition metals:

-sink in water

Property:

-melting and boiling point:

Alkali metals:

-Low

Transition metals:

-high

Property:

-colour of salts

Alkali metals:

-Colourless

Transition metals:

-often coloured