decays to through electron capture with a decay constant of 0.257 per day.
(a) What other particle or particles are emitted in the decay?

(b) Assume that the electron is captured from the K shell. Use Mosley’s law √v = α (Z – b) with α = 4.95 × 10⁷ s^–1/2 and b = 1 to find the wavelength of the K_α X-ray emitted following the electron capture.

^₁₉₇_₈₀_Hg _→ ¹⁹⁷₇₉Au
_{(a) A proton is converted to a neutron; a neutrino is emitted.}

(b) As given: By Mosley’s law,

∴

Question

^₁₉₇_₈₀_Hg _→ ¹⁹⁷₇₉Au

_{(a) A proton is converted to a neutron; a neutrino is emitted.}

(b) As given: By Mosley’s law,

∴

Philoid · Accepted Answer

^₁₉₇_₈₀_Hg _→ ¹⁹⁷₇₉Au

_{(a) A proton is converted to a neutron; a neutrino is emitted.}

(b) As given: By Mosley’s law,

∴