Atomic Structure MCQs

Ionisation energy of He+ is 19.6 ´ 10–18 J atom–1. The energy of the first stationary state (n = 1) of Li2+ is

January 8, 2022

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Ionisation energy of He+ is 19.6 ´ 10–18 J atom–1. The energy of the first stationary state (n = 1) of Li2+ is

Q. Ionisation energy of He+ is 19.6 ´ 10–18 J atom–1. The energy of the first stationary state (n = 1) of Li2+ is

A. 4.41 ´ 10–16 J atom–1

B. –4.41 ´ 10–17 J atom–1

C. –2.2 ´ 10–15 J atom–1

D. 8.82 ´ 10–17 J atom–1

Answer: –4.41 ´ 10–17 J atom–1

Ionisation energy of He+ is 19.6 ´ 10–18 J atom–1. The energy of the first stationary state (n = 1) of Li2+ is

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The energy required to break one mole of Cl – Cl bonds in Cl2 is 242 kJ mol–1. The longest wavelength of light capable of breaking a single Cl – Cl bond is

Ionisation energy of He+ is 19.6 ´ 10–18 J atom–1. The energy of the first stationary state (n = 1) of Li2+ is

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The wave number of the spectral line in the emission spectrum of hydrogen will equal to times the Rydberg's constant if the electron jumps from ______

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