Nelson Science Perspectives 10
Nelson Science Perspectives 10
1st Edition
Christy C. Hayhoe, Doug Hayhoe, Jeff Major, Maurice DiGiuseppe
ISBN: 9780176355289
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Page 191: Try This

Exercise a
Result
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Within a group elements have the same number of valence electrons, within a period elements have the same number of electron shells
Exercise b
Result
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Within a period the ionic charge increases as you go left to right, and in a group the ionic charge stays the same as you move up and down
Exercise c
Result
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The ionic charge is usually known by the number of groups away from the noble gas group that the element is in either the left or right direction, moving left gets a positive charge and moving right gains negative charge
Exercise d
Result
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Ba is +2, I is -1, Rb is +1, and As is -3
Exercise e
Result
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They were either transition metals, or incapable of forming ions (like the noble gases are)
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