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Bohr model of an atom could not account for : (1) Emission spectrum (2) Absorption spectrum (3) Line spectrum of hydrogen (4)Fine spectrum Ans: Fine spectrum
Sedatives: Sedatives act as depressant and suppress the activities of central nervous scheme. They are offered to patients who are mentally violent and agitated. Sedatives offe
How many ion H2- does have The H2- ion having three electrons. This can be conceived as the combination of a hydrogen atom with a hydride ion (H-). By the aufbau principle, two
Monosaccharides - Biomolecules These are very simple one unit non-hydrolysable sugars. They have the common formula C n H 2n O n where n changes from 3 to 9 carbon molecules.
a sample of CaCo3 and MgCo3 weighing 192g is ignited to constanr weight of 104 gm . what is the composition of mixture ?
Electronic configuration of Sc 21 is: (1) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 4s 2 , 3d 1 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 4s 1 , 3d 2 (3)1
how many number of electrons are possible in the valence shell of metals
what are the applications of this principle in agricultural engineering
The Bohr orbit radius for the hydrogen atom (n=1) is approximately 0.530 Å . The radius for the first excited state (n=2) orbit is: (1) 0.13Å
explain the bonding and structure in transition metal carbonyls
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