Group 1, Group 7 and Group 0 Flashcards
What is Group 1 known as?
The alkali metals
What is group 7 known as?
The halogens
What is group 0 known as?
The noble gases
Properties of alkali metals
thermal and electrical conductors
low density and melting point
malleable
very reactive
Properties of halogens
Poor conductors
low melting point
as solids they are poor and brittle
Properties of Noble gases
No colour or odor
Low density and boiling point
very unreactive
Properties of Transition metals
High melting point and density Electrical and thermal conductor Strong and hard low reactivity compounds are coloured
what does an alkali metal reacted with water form?
Metal hydroxide
What does an alkali metal react with oxygen form?
Metal oxide
What does an alkali metal reacted with a halogen form?
Ionic salt
reactivity down the group of Group 1
The reactivity increases down the group as the valence electron moves further away from the nucleus and becomes easier to move.
Reactivity of Group 0
Have a full outer shell of electrons so they are very unreactive
What does a halogen react with oxygen to form?
Halogen oxide
What does a halogen react with metal to form?
Metal halide