Question

different number of neutrons ​

Answer 1

Explanation:

Atoms of the same element that contain the same number of protons, but different numbers of neutrons, are known as isotopes. Isotopes of any given element all contain the same number of protons, so they have the same atomic number (for example, the atomic number of helium is always

Answer 2

Atoms of the same element that contain the same number of protons, butdifferent numbers of neutrons, are known as isotopes. Isotopes of any given element all contain the same number of protons, so they have the same atomicnumber (for example, the atomic numberof helium is always 2).

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