what is the proper definition of an isotope? group of answer choices atoms in which the number of protons is different from the number of neutrons. atoms with a mass number greater than the atomic number. atoms of an element with the same number of protons but different number of neutrons. atoms that spontaneously emit radiation.

Respuesta :

Isotopes are atoms of an element with the same number of protons but a different number of neutrons.

Isotopes are different atom types that share the same atomic number and place in the periodic table but have different quantities of neutrons in their nuclei, resulting in various nucleon numbers or atomic masses.

Stable and unstable isotopes are the two basic categories of isotopes. 254 stable isotopes are known. Scientists refer to all synthetic (lab-made) isotopes as radioisotopes since they are radioactive due to their instability.

Examples of isotopes include carbon 12, which has 6 neutrons, carbon 13, which has 7 neutrons, and carbon 14, which has 8 neutrons. Carbon 14 is the radioactive isotope while the rest are stable.

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