2. For Ni the 1 onsation Electron affinity is 1560 a.Cakviate the energy h\" the

Question

2. For Ni the 1 onsation Electron affinity is 1560 a.Cakviate the energy h" the sublimation energy 4297 ew's Law Nita) Nrte) . 2e, a»-, b. Write the electron configurations for the ground state of N for the ground state of Ni- c. The Ni ground state hasunped electrons and is: paramagnetkc or diamagnetic ? d. Nickel has five naturally occurring isotopes. The isotope with mass 61.9283 makes up 3.6345%of naturally occurring nickel atoms This isotope has- Calculate the atoms of this nickel isotope in 1.000 millimole of naturally occurring nickel. protons and neutrons certain lamp gives off 104.5 joules of red light with wavelength 674.0 nm in 5.00 minutes ow many photons does the lamp give off in 5.00 minutes? nt: calculate the enerey of one photon. (4 points)

Explanation / Answer

(b)- Ni=1s2 2s2 2p6 3s2 3p6 4s2 3d8

  Ni2+=1s2 2s2 2p6 3s2 3p6 4s03d8

(c)- Since d-subshell of 3rd orbit has 2 electrons not paired ni is paramagnetic.

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