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electrolysis
fractional distillation
reduction
oxidation
The mass number of a nucleus is
The mass number of an atom is equal to
The mass of one Avogadro number of helium atom is
The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is
The material known in commerce as Terylene is a
The material used in the manufacture of lead pencil is
The material which can be deformed permanently by heat and pressure is called a
The maximum number of covalent formed by nitrogen is
The maximum number of electrons that can be accommodated in a shell depends on the formula
The maximum number of isomers for an alkene with molecular formula C4H8 is