Question

column-A column-B i) valance electron a. Chlorine ii) Meteorological balloons b. Coal iii) Diatomic c. Electron present in outermost shell iv) Member of group 17 d. Helium V) Thermal power plant e. Oxygen​

Answer 1

Answer:

i) valance electron   --Electron present in outermost shell

ii) Meteorological balloons--Helium

ii) Diatomic --Oxygen

iv) Member of group 17     -- Chlorine

V) Thermal power plan-- coal