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An electron has principal quantum number 3. The number of its (i) sub-shells and (ii) orbitals would be respectively:
(1) 3 and 5
(2) 3 and 7
(3) 3 and 9
(4) 2 and 5
Ans :3 and 9
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
I have a very difficult chemistry online assignment due in and I need help.
Plz tell me the units of absorptivity if it has any units
Application of mesomeric effect
Ask quThe maximum number of electrons which each sub-shell can occupy is 2(2l+1)
Benefits of flame photometry: The subsequent are the main advantages of flame photometry. It gives high sensitivity and high reliability for the determination of elemen
clear scientific definition of exothermic and endothermic reactions
This of the following occurs when two hydrogen atoms bond with each others: (1) Potential energy is lowered (2) Kinetic energy is lowered (3) Electronic motion ceases
Write essey on organic quantitative analysis
obtain the mole of substance in the following. 7.05g Br2
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