Question

electrons, and neutrons in each of the following isotopes: magnesium-24 magnesium-25 magnesium-26 number of protons: number of protons: number of protons: number of electrons: number of electrons: number of electrons: number of neutrons: number of neutrons: number of neutrons:

Explanation:

Step1: Recall atomic number of magnesium

Magnesium has an atomic number (Z) of 12. The number of protons in an atom is equal to its atomic number. So, for all magnesium - isotopes, the number of protons is 12.

Step2: Determine number of electrons

In a neutral atom, the number of electrons is equal to the number of protons. Since all the magnesium isotopes are neutral, the number of electrons is also 12 for each.

Step3: Calculate number of neutrons

The mass number (A) of an isotope is the sum of protons and neutrons (A = p + n). For Magnesium - 24, A = 24, p = 12, so n=A - p = 24 - 12 = 12. For Magnesium - 25, A = 25, p = 12, so n = 25 - 12 = 13. For Magnesium - 26, A = 26, p = 12, so n = 26 - 12 = 14.

Answer:

Isotope	Number of Protons	Number of Electrons	Number of Neutrons
Magnesium - 25	12	12	13
Magnesium - 26	12	12	14