Question

What minimum amount of energy (in J) is required to
bring an electron from ground state of Be3+ ion to
infinity?​

Answer 1

Answer:

456

Explanation:

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Answer 2

Given:

Be3+ ion is in its ground state.

To find:

minimum amount of energy (in J) is required to  bring an electron from ground state of Be3+ ion to  infinity.

Solution:

For Be3+ ion, Z=3

According to Bohr model, the minimum energy required will be

E = 13.6*(1/n² - 1/∝) Z² eV

Here n =1, since the Be3+ ion is initially in ground state.

E = 13.6* (1) * 3²

E = 13.6 * 9

E = 122.4 eV

Therefore the minimum energy required will ne 122.4 eV.