minthia
  • minthia
which of the following correctly identifies the composition of an oxygen atom? 8p,8e,8n 6p,6e,6n 8p,6e,7n 6p,6e,12n
Biology
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Atomic number=number of proton Atomic weight=number of neutrons + number of protons Net charge=number of protons + number of electrons
anonymous
  • anonymous
If oxygen is O and there is no charge, then net charge=0
minthia
  • minthia
what about electrons?

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anonymous
  • anonymous
Read what I wrote above. You need to know the # of protons to find the number of electrons.
minthia
  • minthia
oh 6 protons right
anonymous
  • anonymous
Why would you think its 6 protons?
minthia
  • minthia
why wouldn't I 6+ 6 12
anonymous
  • anonymous
where did you get 12 from?
minthia
  • minthia
its my last choice and its the only thing that seems right 6+6 =12
anonymous
  • anonymous
No, I said atomic weight=number of protons + number of neutrons. Not number of neutrons=number of protons + number of electrons
minthia
  • minthia
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
anonymous
  • anonymous
No, you are wrong. Trust me
minthia
  • minthia
I know I am
anonymous
  • anonymous
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!
minthia
  • minthia
8 protons 8 electrons 8 nutrons
anonymous
  • anonymous
Yes
minthia
  • minthia
thank you
anonymous
  • anonymous
No problem! You understood it right?

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