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Physics 18 Online
OpenStudy (anonymous):

When scientists look at these examples, what do they know about the atoms? Carbon–12 Carbon–14 A. The number of neutrons in each atom is not the same. B. The atoms have different properties. C. One atom has more protons than the other. D. Only one of the examples is an isotope.

OpenStudy (shikamaru11):

it may be A and be D :) cz they've difference in neutrons and isotopes too rather confusing :\

OpenStudy (anonymous):

oh ok thanks

OpenStudy (shikamaru11):

and C-12 has 6 neutrons C-14 has 8 C-14's half life 5720 years :) no prob.

OpenStudy (anonymous):

its cus my teacher expects me to know somthing that she didnt teach

OpenStudy (shikamaru11):

oh never mind your teacher just respect and you'll be rewarded stay happy :)

OpenStudy (anonymous):

k thanks

OpenStudy (anonymous):

its cus she didnt teach me or the class about isatopes

OpenStudy (shikamaru11):

hmmm now you've a l'll bit keep it up dude

OpenStudy (anonymous):

what

OpenStudy (shikamaru11):

means now you've learned a l'll bit about isotopes

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