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The most common isotope of oxygen has atomic number 8 and atomic mass number 16. another isotope has two extra neutrons. what are the atomic number and atomic mass number of this isotope?
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Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?
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To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement
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Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
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The most common isotope of oxygen has atomic number 8 and atomic mass number 16. another isotope has...
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