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22 November, 20:41

What do carbon 12 carbon 13 and carbon 14 have in common?

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  1. 22 November, 23:09
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    They have all the same number of protons and electrons (6)

    Explanation:

    Carbon 12, Carbon 13 and Carbon 14 are all isotopes of Carbon.

    The definition of an isotope is: They have the same number of protons (and electrons), but a different number of neutrons. Different isotopes of the same element have different masses.

    Carbon 12 means an isotope with mass 12 u

    it has 6 protons, (and 6 electrons) and 6 neutrons : 6 neutrons + 6 protons = 12

    Carbon 13 is an isotope with mass 13 u

    It has the same amount of protons (and electrons) as Carbon 12, so 6 protons and 6 electrons

    13 - 6 = 7 ⇒ Carbon 13 has 7 neutrons

    Carbon 14 is an isotope with mass 14

    it has the same of protons (and electrons) as Carbon 12 and Carbon 13, so 6 protons and 6 electrons

    14 - 6 = 8 ⇒ Carbon 14 has 8 neutrons

    We can conclude that Carbon 12, Carbon 13 and Carbon 14 are 3 isotopes of Carbon. They all have the same number of protons (and electrons) = 6.

    This means the isotopes will also have the same atomic number, because they are all isotopes of the same element.
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