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In Bohr's model, atomic radius of the first orbit is γ the radius of the 3rd orbit, is:
(1) γ/ 3
(2)γ
(3) 3γ
(4) 9γ
Ans: 9γ
Compare the combustion energy stored in a 1 litre bottle of propane and butane. Suppose that the product temperature is 100°C. The density of liquid propane is 0.493 g cm -3
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Definitions A Br ø nsted base a proton acceptor, and Br ø nsted acid is a proton donor. In this definition an acid-base reaction accepts protolysis:
Carbon has maximum catenation ability. The self-linkage of the atoms of elements to make long chains is known as catenation.
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