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An e-has magnetic quantum number as 3, what is its principal quantum number:
(1) 1
(2) 2
(3) 3
(4) 4
Ans: 4
Q. Illustrate Classification of Matter? Pure Substances In order to understand what a pure substance is, you must think of it on an atomic level. Elements and compounds
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Atoms with the different numbers of neutrons and same atomic number are known as isotopes. The chemical properties of an element are determined by wildly the charge on the nucleus,
PERIODIC TABLE and PERIODICITY OF ELEMENT
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