Question

Radii of stationary orbits are equal to ?​

Answer 1

Answer:

4π€ n2/h2/zme2

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Answer 2

Answer:

Radius of Bohr's orbit in hydrogen and hydrogen like species can be calculated by using the following formula.

radius of bohr's orbit formula - nth orbit hydrogen like species

Where

n = prinicipal quantum number of orbit.

Z = atomic number

Now compare the n2/Z values of orbits for given species with that of hydrogen's first orbit to get the answer.

Solution:

1st orbit of H atom Option 1

n=2, Li2+ Option 2

n=2, Be3+ Option 3

n=2, He+ Option 4

n=3, Li2+

n = 1 2 2 2 3

Z = 1 3 4 2 3

n2/Z 12/1 = 1 22/3 = 4/3 22/4 = 1 22/2 = 2 32/3 = 3

Explanation:

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