The periodic table and groups Flashcards
What is group 1?
alkali metals, metal, reactive
What is group 2?
alkaline earth metals, metal, reactive
What is group 7?
halogens, non metal, reactive 
What is group 0?
noble gasses, non metal, non reactive
Group one characterstics
very reactive
low melting and boiling points
stores under oil
low density
tarnish quickly in air
react with non metals to form ionic compounds
Group 7 characteristics
non metals
unpleasant smell
are poisonous/ toxic
coloured
low melting points
less reactive as you move down
mp and no increase as you go down
Group 0 characteristics
very unreactive
non metals
colourless
odourless
low boiling points
found in earth’s atmosphere in small amounts
bp increases as you move down