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How many ion H2- does have The H2- ion having three electrons. This can be conceived as the combination of a hydrogen atom with a hydride ion (H-). By the aufbau principle, two
Q. Composition of the nucleus Since the time of Rutherford, other scientists have learned a significant amount about the fundamental properties about the nucleus of an atom. In
Electronic configuration of H - is : (1) 1s 0 (2) 1s 1 (3)1s 2 (d) 1s 1 , 2s 1 Ans: 1s 2
10 g of h2 and 64 g of o2 are filled in a steel vessel and exploded amount of water produced in this reaction
Q. How do we measure food texture? Food texture can be evaluated by mechanical test or instrumental methods. This is called as objective evaluation. When we use the human sens
Energy of orbit: (1) Increases as we move away from nucleus (2) Decreases as we move away from nucleus (3) Remains same as we move away from nucleus (4)None of the
In polar covalent molecule, one atom gets positive charge and the other one takes negative charge as known as dipole.
What are the major poisnous gases released during burning of the plastic substances????? Ans) It is high time that we start taking concrete steps in order to prevent pollution or
Q. Illustrate about Borohydrides? Borohydrides like NaBH 4 ,, Be(BH 4 ,) 2 and Al(BH 4 )are the salts of complex tetrahydridoborate anion, BH - 4 ,. Since in BH - 4 ,. bor
Preparation of benzaldehyde by etard''s reaction
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