MSE160 2014 Quiz 1 (Ver.1) Solutions

MSE160 2014 Quiz 1 (Ver.1) Solutions - MSE160 2014 Quiz...

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MSE160’2014 ’ ’ Quiz’1’(version’1) ’ 1. Write’the’ground’state’electron’configuration’for’each’of’the’following’atoms’or’ ions.’Use’the’abbreviat ed’noble’gas’core’configuration ’ [1’mark’each].’ For’(D),’ indicate’whether’you’expect’the’ion’to’be’paramagnetic’or’ diamagnetic’ [1’mark] .’ ’ Configurations’must’be’100%’correct’to’earn’1’mark. A) Al + ’ ’ [Ne]3s 2 B) Sb’ ’ [Kr]5s 2 4d 10 5p 3 C) Cu’ ’ [Ar]4s 1 3d 10 D) Ni 2+ ’ ’ [Ar]3d 8 ’ paramagnetic’ Note:’The’text’sometimes’writes’configurations’grouped’according’to’increasing’n.’ E.g.,’Sb’as’[Kr] ’ 4d 10 5s 2 5p 3 2. a)’Place’the’following’in’order’of’increasing’size:’ Br - ,’Ca 2+ ,’Sc 3+ ,’ C,’ O,’Se 2- ’ ’ [2’marks] ’ O’ <’ C’ <’ Sc 3+ ’ <’Ca 2+ ’ <’Br - ’ <’Se 2- b)’Which’atom’has’the’smallest’first’ionization’energy?’
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MSE160 2014 Quiz 1 (Ver.1) Solutions - MSE160 2014 Quiz...

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