Consciousness

Stupid Chemistry I: I know, I’m a chem major.

Posted in Chemistry, Random by Personalife on the May 5th, 2009

http://answers.yahoo.com/question/index?qid=20081007173812AAlybKT

Q: Which element, isotope, or ion has 33 neutrons and 27 electrons and how do you know?
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Best Answer – Chosen by Voters
ibuprofen
commonly known as advil

Source(s):
chemist for 27 years
majored at university of michigan

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The funny thing is, the actual answer was the first real response:

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it is cobalt-60.
in order to find this:

the number of electrons in an atom = the number of protons
thus, since this isotope has 27 electrons, it also has 27 protons. The number of protons in an element is always constant. The element with the atomic number of 27 is cobalt.
in a ‘normal’ element, the number of protons usually equals the number of neutrons; however, when it does not an isotope forms.
thus the atomic mass is 33+27 = 60

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I hope if I’m a chemist for 27 years, I’ll know that Ibprofen isn’t an isotope, an element (its a composition of), nor is it an ion.

1 Comment »

  1. heh. I’d hope so, too.

    Yahoo Answers can be a den of stupidity. I should know, I’m an active member.

    Blaidd

    Comment by Blaidd — May 12, 2009 @ 12:04 pm

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