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The magnetic quantum number specifies:
(1) Size of orbitals
(2) Shape of orbitals
(3) Orientation of orbitals
(4) Nuclear stability
Ans: Orientation of orbitals
describe the steps necessary in preparing a standard solution of 1.0 molar NaOH
EXPLAIN ALLOTROPHY?
An element L has 9 protons and valency 1. Another element M has valency 3 and 5. What is the difference in the number of electrons in L and M ?
explain why Ni(co)4 is known while Ca(co)4 is not known
A mol 4:1 mixture of He and CH4 is contained in vessel at 20 bar pressure.Due to a hole in the vessel the gas mixture leaks out.the composition of the mixture,effusing out initiall
The p-block elements contain metals amd what?
The frequency of radiation emitted when the electron falls from n= 4 to n=1 in a hydrogen atom will be (Given ionization energy of H = 2.18x 10 -18 J atom-1 and h= 6.625x 10-
When 100 ml of M/10 H2SO4 is mixed with 500 ml of My/10 NaOH then nature of resulting solution and normality of excess reactant left is
what is the chemical reaction undergone during determination of alcoholic acidity of flour
what is atomic mass?
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