b Why is the ionization energy of Sc higher than that of Ca while the

B why is the ionization energy of sc higher than that

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(b) Why is the ionization energy of Sc higher than that of Ca, while the ionization of boron is lower than Be and that for Al is lower than Mg? Page 4 of 6 Eleme nt Ionizati on Energy (kJ/mol) Eleme nt Ionizati on Energy (kJ/mol ) Eleme nt Ionizati on Energy (kJ/mol ) Be 899 Mg 737 Ca 590 B 800 Al 577 Sc 633
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Chemistry 1320 Fall 2018 Personal Performance Assessment #2 14 ( 14 points ) At low temperature, NO 2 reacts with NO to produce N 2 O 3 . (a) Draw three appropriate contributing Lewis structures for N 2 O 3 . Make sure ALL lone paris are clearly shown. Hint: there are no O―O bonds. (b)Circle the one contributing structure that best describes the bonding in N 2 O 3 (c) There are three different bond lengths in the real molecule N 2 O 3 . Draw out the skeletal structure again, and based on your contributing structures Chemists are a strange class of mortals, impelled by an almost maniacal impulse to seek their pleasures amongst smoke and vapour, soot and flames, poisons and poverty, yet amongst all these evils I seem to live so sweetly that I would rather die than change places with the King of Persia." -- Johann Joachim Becher, Physica subterranea (1667 Page 5 of 6
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Chemistry 1320 Fall 2018 Personal Performance Assessment #2 Page 6 of 6
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