Atomic StructureHard

Question

The energy of electron in first energy level is - 21.79 × 10-12 erg per atom. The energy of electron in second energy level is :

Options

A.- 54.47 × 10-12 erg atom-1
B.- 5.447 × 10-12 erg atom-1
C.- 0.5447 × 10-12 erg atom-1
D.- 0.05447 × 10-12 erg atom-1

Solution

For a particular element,
En = erg atm-1
∴ En ∝
∴
or E2 =
- 5.447 × 10-12 erg atm-1

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