CH-166
Isotopes
Chemistry · Secondary 3 · Medium · Isotopes
Which statement about the isotopes of chlorine,
and , is correct?
and , is correct?
- They have different proton numbers but the same nucleon number.
- They have the same number of protons but different numbers of neutrons.
- They have different numbers of electrons but the same mass.
- They have the same number of neutrons but different charges.
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