Question

velocity of first orbit of helium is v.What is the velocity in 2nd orbit of helium+

100 pts valid ans only

Answer 1

Answer:

velocity 2nd orbit of helium+ is equal to the velocity of 1st orbit of hydrogen

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Answer 2

Solution ⤵

V of H 2⊕ = n h 2π Ze 2 or V α Z/n

∴ V H 2⊕

α 1 (Z = 1, n = 1) V of Li 2+ α 3/3

α 1 (Z = 3, n = 3)

Therefore, velocity of e − in the third orbit of Li 2+ is the same velocity of an e − in the first orbit of H atom.

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