Properties

Metal

Lustruous, malleable , ductile , dense , conductive , solid at room temp

Non metal

poor conductors of heat and electricity , brittle , low melting and boiling point , pull , most are gasses at room temp, low density

Metalloids

Solids that can be shiny or dull , semi conduct electricity and heat, non malleable , not ductile

Acid

Conduct electrical current , have sour taste , turns litmus paper red , react with some active metals , neutralised by base , corrosive

Bases

Caustic , have soapy , slimy feel , turns red litmus paper blue , bitter taste , conduct electricity , neutralised by acids

Examples of acids

lemon, vinegar, oranges

Examples of bases

baking soda, milk, ammonia