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    usman31's Avatar
    usman31 Posts: 1, Reputation: 1
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    #1

    Apr 14, 2008, 01:31 PM
    The Alkaline earth metals are harder than Alkali Metals Why?
    Questions:

    1.The Alkaline earth metals are harder than Alkali Metals Why?
    2.Why is SO3 is dissolved in H2SO4 and not in water?
    Ethyl alcohol is a liquid while Ethyl Choloride is a gas.Why?
    robkelly2242's Avatar
    robkelly2242 Posts: 57, Reputation: 0
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    #2

    Apr 18, 2008, 11:01 AM
    1. Na, K, etc. have only 1 electron in the outer shell.
    2. Because SO3 reacts with H2O.
    3. Because of hydrogen bonding.
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