(u) 21.2
Jalil
Energy required to pull out an electron from 1st orbit of hydrogen atom to infinity is
100 units. The amount of energy needed to pull out the electron from 2nd orbit to
infinity is
(a) 50 units (b) 100 units
(c) 25 units
(d) Zero
Page # 61
Answers
Answered by
2
Answer:
25 units
Explanation:
because the energy in an orbit is inversely proportional to n^2.
Answered by
0
Answer:
50 UNITS
Explanation:
LEFT TO RIGHT ENERGY DECREASES
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