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4-electrons
6-electrons
2-electrons in opposite
None of these
Aqua regia is a 1: 3 mixture, by volume, of
Aquaregia is a mixture of the following in the ratio 1: 3 by volume
Aspirin is
Aspirin is chemically known as
Atomic number is the number equal to
Atomic number of an atom gives the number of which of the following ?
Atomic weight of an element is given by
Atoms having the same number of protons but different number of neutrons are called
Atoms of different elements have
Atoms of same element having different mass numbers are called_