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Biology, 29.09.2019 21:30 lorie76

Element x has 6 protons and 7 neutrons.
element y has 6 protons and 8 neutrons.
are element x and element y isotopes or different elements? how do you know?

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Element x has 6 protons and 7 neutrons.
element y has 6 protons and 8 neutrons.
are elem...
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