Question

Explain what Sodium-23 means. Why is the number 23 written? short and simple answer

Answer 1

Sodium-23 refers to an isotope of sodium, where "23" represents the atomic mass number. This number indicates the total number of protons and neutrons in the nucleus of the sodium atom. Sodium has 11 protons, and in the case of Sodium-23, it has 12 neutrons (23 - 11 = 12).