Answer:
Radiation is the transfer of heat between objects which are not touching. I think
Explanation:
Basicity of an acid is the number of hydrogen ions which can be produced by one molecule of an acid
Answer:
Mass and gravitational for e is not relart
Answer:
reactivity:very reactive,less reactive
density:float in water,sink in water
melting and boiling point:low,high
colour of salts: colourless,often coloured
