Question

which electron has either maximum or minimum energy​

Answer 1

Explanation:

Energy for H-atom is given by formula

E

n

=

n

2

E

1

This energy has negative sign which indicates that electron is under attraction towards nucleus. The electron has minimum energy in the first orbit and its energy increases as n increases i.e. it becomes less negative. The electron can have a maximum energy value of zero when n=∞.

Answer 2

Answer:

If an atom, ion, or molecule is at the lowest possible energy level, it and its electrons are said to be in the ground state. If it is at a higher energy level, it is said to be excited, or any electrons that have higher energy than the ground state are excited.

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