
Concept explainers
Interpretation:
The first ionization energy of Calcium is greater than Potassium and the second ionization energy of Calcium is lower than Potassium; the reason has to be predicted.
Concept Introduction:
Ionization energy (IE): The ionization energy is the required to remove an electron from an atom in the gas phase.
General formula of ionization energy=
As predicted by coulomb’s law, energy must be supplied to overcome the attraction between an electron and the nucleus and to separate the electron from the atom. Thus ionization energies always have positive values. An electron father from the nucleus generally has smaller ionization energy and electron closer to the nucleus has larger ionization energy.
Increase and decrease electro negativity: The less vacancy electrons an atoms has the least it will gain of electrons. Moreover the

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Chapter 7 Solutions
Bundle: Chemistry & Chemical Reactivity, Loose-Leaf Version, 9th + OWLv2, 4 terms (24 Months) Printed Access Card
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- Show the mechanism for these reactionsarrow_forwardDraw the stepwise mechanismarrow_forwardDraw a structural formula of the principal product formed when benzonitrile is treated with each reagent. (a) H₂O (one equivalent), H₂SO₄, heat (b) H₂O (excess), H₂SO₄, heat (c) NaOH, H₂O, heat (d) LiAlH4, then H₂Oarrow_forward
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