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A sub-shell l= 2 can take how many electrons:
(1) 3
(2) 10
(3) 5
(4) 6
Ans: 10
what is the chemical raction of a titration using sodium hydroxide and phenophthalein?
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Principle of atomic emission spectrometry: The analyte sample is introduced into the centre of the plasma as an aerosol with the help of a nebuliser using argon flow. In the p
Radius of the first Bohr's orbit of hydrogen atom is: (1)1.06 Å (2) 0.222 Å (3) 0.28 Å (4)0.53A Ans: 0.53 Å
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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
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how can you relate boyle''s law to atmospheric pressure?
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