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Which of the following must be the same for two isotopes of an element? A. The number of neutrons B. The atomic number C. The mass D. The charge Answer is The atomic number
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Which of the following must be the same for two isotopes of an element? A. The number of neutrons B. The atomic number C. The mass D. The charge

Answer is The atomic number

User Arush Kamboj
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Answer: B. The atomic number

Step-by-step explanation:

User Tmdavison
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B. The atomic number. This is because the atomic number is the same as the number of protons an element has, and the number of protons defines an element.
User Don Briggs
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