(b)Why is the ionization energy of Sc higherthan that of Ca, while the ionization of boron is lowerthan Be and that for Al is lowerthan Mg?Page 4of 6ElementIonizationEnergy(kJ/mol)ElementIonizationEnergy(kJ/mol)ElementIonizationEnergy(kJ/mol)Be899Mg737Ca590B800Al577Sc633
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Chemistry 1320 Fall 2018Personal Performance Assessment #214 (14 points) At low temperature, NO2reacts with NO to produce N2O3. (a)Draw three appropriate contributing Lewis structures for N2O3. Make sureALL lone paris are clearly shown. Hint: there are no O―O bonds.(b)Circlethe one contributing structure that best describes the bonding in N2O3(c) There are three differentbond lengths in the real molecule N2O3. 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 seektheir 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 (1667Page 5of 6
Chemistry 1320 Fall 2018Personal Performance Assessment #2Page 6of 6
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