the poly atomic molecule is H2
They form molecules which can be in solution form if diluted in water, but some do form solutions on exposure to the atmosphere i.e they are deliquescent like pellets of sodium hydroxide
Electron was discovered by J. J. Thomson in 1897 when he was studying the properties of cathode ray.
Answer:
The strength of the gravitational force between two objects depends on two factors, mass and distance.
