Question

Bohr radius of a shell in h atom is 8.46 the number of electrons in this shell are

Answer 1

Explanation:

The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2(n2) electrons..

Answer 2

Answer:

• The formula for the Bohr's radius in nth shell for hydrogen atom is r = r₀*n² ⇒ n = √(r/r₀) = √(8.46/0.53) = √15.96 ≅ 4. The number of electrons that can be accommodated in the nth shell is equal to 2*n².
• The number of electrons that can be accomodated in the nth shell is equal to 2*n². So, for n = 4, number of electrons = 2*4² = 32.

The number of electrons that can be accomodated in the nth shell is equal to = 32.