Unit 1 Written Flashcards
1
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2
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3
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4
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As you move down a group in the periodic table, atoms increase in size, with a greater number of energy levels.
The extra energy levels and increased covalent radius keep the bonding electrons further away from the nucleus.
Extra shells cause greater shielding effect
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11
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Group 7 ( The halogens)
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13
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7
14
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15
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16
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C
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B
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19
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D
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C
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D
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A
23
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C
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25
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C
hydrogen has an e.n value of 2.2 and a pure covalent bond has no difference in e.n values between the 2 elements sharing the electrons
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28
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30
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31
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32
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33
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34
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35
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C
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37
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38
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Benzene is a hydrocarbon
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39
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40
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41
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43
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