Question

The magnesium isotope with 13 neutrons Express your answer as an isotope.

Answer 1

Mg is read as “magnesium 25,” and can be written as “magnesium-25” or “Mg-25.” All magnesium atoms have 12 protons in their nucleus. They differ only because a 24Mg atom has 12 neutrons in its nucleus, a 25Mg atom has 13 neutrons, and a 26Mg has 14 neutrons.

Answer 2

The magnesium isotope with 13 neutrons is called magnesium-25. The mass number of the magnesium that contains 13 neutrons is 25.

Magnesium isotopes

• Isotopes are members of an element's family that have the same number of protons but differ in the number of neutrons they have.

• Magnesium has three stable isotopes $24_M_G, 25_M_G, 26_M_G$.

• Moreover, there are 19 radioactive isotopes are discovered.

Thus, the magnesium-25 is the magnesium with 13 isotopes.

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