Grade 9 Science Chemistry Exam Review 2014 | Page 15
43. ANS:
44. ANS:
45. ANS:
46. ANS:
47. ANS:
When an atom gains an electron, there are more negative charges than positive charges.
Since the negative charges and positive no longer balance, the end result is a charged
atom. Examples will vary but should include totalling of positive and negative charges.
15 | P a g e
Grade 9 Science Chemistry Exam Review 2014 | Page 14
Grade 9 Science Chemistry Exam Review 2014 | Page 16
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