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minthia

  • one year ago

which of the following correctly identifies the composition of an oxygen atom? 8p,8e,8n 6p,6e,6n 8p,6e,7n 6p,6e,12n

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  1. anonymous
    • one year ago
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    Atomic number=number of proton Atomic weight=number of neutrons + number of protons Net charge=number of protons + number of electrons

  2. anonymous
    • one year ago
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    If oxygen is O and there is no charge, then net charge=0

  3. minthia
    • one year ago
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    what about electrons?

  4. anonymous
    • one year ago
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    Read what I wrote above. You need to know the # of protons to find the number of electrons.

  5. minthia
    • one year ago
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    oh 6 protons right

  6. anonymous
    • one year ago
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    Why would you think its 6 protons?

  7. minthia
    • one year ago
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    why wouldn't I 6+ 6 12

  8. anonymous
    • one year ago
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    where did you get 12 from?

  9. minthia
    • one year ago
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    its my last choice and its the only thing that seems right 6+6 =12

  10. anonymous
    • one year ago
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    No, I said atomic weight=number of protons + number of neutrons. Not number of neutrons=number of protons + number of electrons

  11. minthia
    • one year ago
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    I really have no idea and im sure the answer is right in front of me I REALLY appreciate your time and trying to help its just not working best response and medal its not u its me this is my second year of this class and it looks like I will be back at it next year LOL

  12. anonymous
    • one year ago
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    No, you are wrong. Trust me

  13. minthia
    • one year ago
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    I know I am

  14. anonymous
    • one year ago
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    If you look at the periodic table, oxygen's atomic number is 8 I said atomic number=number of proton So 8=8 which is 8 protons If you look at the periodic table again its atomic weight is 16 and since atomic weight=# of protons + # of neutrons 16=8 protons+ # of neutrons 16-8=8 neutrons Since oxygen has a charge of O it is 0 In order to get a charge of zero, the # of electrons must equal the # of protons Since there are 8 protons, there must be 8 electrons also. Hope it helps!

  15. minthia
    • one year ago
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    8 protons 8 electrons 8 nutrons

  16. anonymous
    • one year ago
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    Yes

  17. minthia
    • one year ago
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    thank you

  18. anonymous
    • one year ago
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    No problem! You understood it right?

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