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stabar

  • one year ago

I know this is a science question but there are not many people in that room. Find the number of Protons,Electrons, and Neutrons. When the Atomic Number is 11, the Symbol is Na, and the Atomic Mass is 23? this has to do with the Periodic Table.

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  1. stabar
    • one year ago
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    @redred413 do you know? Im realy in a hury

  2. elexusvanderhorst
    • one year ago
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    p=11 n=12 e=11

  3. redred413
    • one year ago
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    yup thats right...

  4. stabar
    • one year ago
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    how did you get that? I have a test on this tomorrow and I am realy confused.

  5. redred413
    • one year ago
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    Periodic table

  6. redred413
    • one year ago
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    http://www.chemicalelements.com/show/atomicnumber.html

  7. redred413
    • one year ago
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    Btw why are you mad at me?

  8. elexusvanderhorst
    • one year ago
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    http://www.kentchemistry.com/links/AtomicStructure/protneuele.htm

  9. stabar
    • one year ago
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    I have a text book full of this and still dont understand this. and no im not mad at you just in a hurry.:)

  10. redred413
    • one year ago
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    oh ok...

  11. redred413
    • one year ago
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    do you get it now?

  12. stabar
    • one year ago
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    I am trying to check the answer but it keeps saying that it is wrong

  13. redred413
    • one year ago
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    what?

  14. redred413
    • one year ago
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    the answer is 11 12 11 and 23 28 23 cause of the atomic mass 23 for the second one

  15. stabar
    • one year ago
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    Ok the program wasnt working right, thank you I get it now.

  16. redred413
    • one year ago
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    you are welcome :)

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