How are chemical bonds formed?
A)Through obtaining 10 Valence electrons
B)Through removing parts of the nucleus
C)Through transferring or sharing electrons
D)Through gaining a core electron

Answer :C) through transferring or sharing electrons

Evaporation: this is when warmth from the sun causes water from oceans, lakes, streams, ice and soils to rise into the air and turn into water vapour (gas). water vapour droplets join together to make clouds! condensation: this is when water vapour in the air cools down and turns back into liquid water.

30litre of li2o is 1.0002mole approximately 1 mole