The atomicity of K2Cr2O7 is
The formula for quick lime is
The symbol of cadmium is
All noble gas molecules are
The valency of nitrogen in NH3 is
The formula of ethanol is C2H5—OH. Its molecular mass is
How many moles are present in 28g of nitrogen atoms?
The molecular mass of x is 106. x among the following is
Which among the following is not a postulate of Dalton’s atomic theory?
Pick up the wrong pairs/combination