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Element is strongly electropositive and Y is strongly electronegative. Both element are univalent, the compounds formed from their combination will be: (1) X + Y -
The atomic orbitals are progressively filled in order of increasing energy. This principle is called as: (1) Hund's rule (2)Aufbau principle (3) Exclusion principle (4
What is kinetic molecular theory
Q.Briefly describe about Nitrogen? Ans. Nitrogen is a gas that makes up approximately 79% of the atmosphere. It exists in the form of the diatomic molecule N 2 . In this f
two oxides of a metal contain 27.6% and 30% oxygen. if the formula for the first oxide is m3o4 then what is the formula for the next oxide?
Estimation of hardness of water sample by EDTA
The number of electrons that can be accommodated in dz 2 orbital: (1) 10 (2) 1 (3) 4 (4) 2 Ans: 2
Q. What do you mean by Mixtures of Matter? A mixture is a mixture of two or more pure substances in which each substance retains its individual properties. Concrete mainly ro
How are p-type and n-type semiconductor obtained? A P-type semiconductor is attained by carrying out a process of doping which is adding a certain type of atoms to the semicon
what are valence electrons? and how do you write them?
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