2. What does the number next to isotopes signify?
3. How can you tell isotopes of the same element apart?
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2. What does the number next to isotopes signify?
3. How can you tell isotopes of the same element apart?
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Answer:
2. Isotopes are versions of the same element. They have the same number of protons and electrons as the element but different mass numbers and number of neutrons.What does the number next to isotopes signify? The number indicates the isotope's mass number.
3. Different isotopes of the same element have the same atomic number. They have the same number of protons. The atomic number is decided by the number of protons. Isotopes have different mass numbers, though, because they have different numbers of neutrons.
Explanation: sana maka help :)