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The third line in Balmer series corresponds to an electronic transition between which Bohr's orbits in hydrogen:
(1) 5 → 3
(2) 5 → 2
(3) 4→ 3
(4) 4 → 2
Ans: 5 → 2
Rutherford's α particle scattering experiment proved that atom has: (1) Electrons (2 )Neutron (3) Nucleus (4 )Orbitals Ans: Nucleus
What was the color and approximate pH of the cabbage juice indicator solution before any electrolysis was attempted? What was the resulting color and approximate pH of the solution
Q. Illustrate about Borohydrides? Borohydrides like NaBH 4 ,, Be(BH 4 ,) 2 and Al(BH 4 )are the salts of complex tetrahydridoborate anion, BH - 4 ,. Since in BH - 4 ,. bor
From the EPA the current generation of methane from landfills in the USA is 12.7 MM tons per year (2009). a. Using the Global Warming Potential of the methane at 20 years, 100
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why ionisation energy of aluminium is greater then Ga?
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what is the relevance of half filled and completely filled orbitals in ionisation enthalphy ditermination
How to write conclusion for this topic hydrides
Which statement is not correct for n=5, m=3: (1) l=4 (2) l=0, 1.3, s =+1/2 (3) l= 3 (4) All are correct Ans:l=4
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