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The number of radial nodes of 3s and 2p orbitals are respectively : (1) 2, 0 (2) 0, 2 (3) 1, 2 (4) 2, 1 Ans: 2, 0
Ratio of radii of second and first Bohr orbits of H atom: (1) 2 (2) 4 (3) 3 (4) 5 Ans: 4
define and explain law of successive disintegration
Q. Illustrate Ionic Bonds or electrovalent bond? Ans. An ionic bond (also called an electrovalent bond) is the attraction between oppositely charged ions. Elements from o
why only phosphate is used for intrnal conditioning???
How much time a hydrogen electron will take when it goes from first orbit to second orbit?
1. A compound whose empirical formula is CH 3 has a molar mass of 30 g/mol. What is its molecular formula? (3 points) 2. Find the molecular formula for each of the following co
why 1 product is obtained when an electrophile reacts with mono-substituted benzene
how law of crystallography helps in the study of crystal structure
Explain and classify vitamins. Name the diseases caused because of lack of any three of them.
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