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The principal quantum number represents:
(1) Shape of an orbital
(2) Distance of electron from nucleus
(3) Number of electrons in an orbit
(4) Number of orbitals in an orbit
Ans: Distance of electron from nucleus
why ionisation energy of Al is greater than Ga?
Smell - Physical characteristics of carbonyl compounds Along with the exception of lower aldehydes that have unpleasant odours, aldehydes and ketones have usually pleasant smel
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The atomic number of an element is always equal to: (1)Atomic weight divided by 2 (2)Number of neutrons in the nucleus (3)Weight of the nucleus (4)Electrical ch
Analysis show that nickel oxide has formulla ni .98 O 1.00 what fraction of the of nickel exist as ni+3 & Ni +2 Ans) ni+2=95.91 and ni+3=4.09
name the acid present in ant sting and give its chemical formula also give common method to get relief from the discomfort caused by ant sting
Simultaneous determination of exact position and momentum of an electron is: (1) Possible (2) Impossible (3) Sometimes possible sometimes impossible (4) None of the ab
How many moles of octane must be burned to release 525.1 kcal ?
explain the scale and sludge formation?
its preparation
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