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Which of the following explains the sequence of filling the electrons in different shells:
(1) Hund's rule
(2) Octet rule
(3) Aufbau principle
(4) All of these
Ans: Aufbau principle
The number of orbitals in d sub-shell is : (1) 1 (2) 3 (3) 5 (4) 7 Ans: 5
What is the net charge of a non-ionized atom? In an atom, the number of protons is equivalent to the number of electrons and that single proton has the similar positive charge v
Q. What is alpha radiation? Types of radiation there are three principal types of radiation are given off during radioactive decay. One kind is alpha radiation (α-radiation)
Question: (i) List the different members of the marine mammalian groups. (ii) Explain the term "stranding" and give some reasons why cetaceans strand? (iii) Cetacean
Calculate the activity co-efficient? The solubility of gaseous O 2 at a partial pressure of 1.01 bar and a temperature of 310.2K, ex- pressed as a concentration, is 1.07 *10 -
GFAAS is often necessary to add modifiers in order to increase the sensitivity of the techniques.Giving example explain the principles used in the selection of such modifiers,be ca
what is application of electrolysis ?
K+O2=
how intigration of 3rd order reaction done by partial fraction method
Distillation under reduced pressure - Purification of organic compounds This process is employed for the purification of high boiling liquids and liquids that decompose at o
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