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Thread: Help, please! (polarizability) I've got 5 hours

  1. #1 Help, please! (polarizability) I've got 5 hours 
    Forum Ph.D.
    Join Date
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    I'll admit that this is homework, but I need help...I've fifteen tries and I've used up most of them; plus, it's due in 5 hours...

    (true or false?)

    Br- has a lesser polarizability than I-
    -True, because of their relative sizes (Br is bigger than I)

    CH2=CH2 has a greater polarizability than CH3CH3
    -False because CH3CH3 is bigger than CH2CH2, and CH2CH2 has a double bond

    CH3CH3 has a greater polarizability than CH3CH2CH3
    -False, because CH3CH2... is bigger

    Ca2+ has a greater polarizability than Ca
    -True, because Ca2+ is an ion, and by definition has polarity (as opposed to the neutral atom)

    H2O has a lesser polarizability than H2Se
    -False, because O is more electronegative than H2Se


    Whence comes this logic: no evidence = false?

    http://www.atheistthinktank.net/thinktank/index.php

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  3. #2  
    Forum Ph.D.
    Join Date
    Apr 2007
    Location
    "Jamerica"...When in America, Florida; when in Jamaica, St. Mary
    Posts
    969
    Never mind, I got it.
    (The second and last ones were true).


    Whence comes this logic: no evidence = false?

    http://www.atheistthinktank.net/thinktank/index.php

    Theists welcome.
    ___________
    Reply With Quote  
     

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