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Atom X contains seven protons and seven neutrons. Atom Z contains seven protons and eight neutrons. Which of the following statements BEST describes the two atoms?
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Atom X contains seven protons and seven neutrons. Atom Z contains seven protons and eight neutrons. Which of the following statements BEST describes the two atoms?

User Vandna
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it is A. They ate isotopes
User Mepmerp
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