Question

an aluminum isotope consists of 13 protons, 13 electrons, and 14 neutrons. what * is its mass number? mass number = protons + neutrons 40 14 13 27

Explanation:

Step1: Identify the number of protons and neutrons

Protons = 13, Neutrons = 14

Step2: Calculate the mass number

Mass number = Protons + Neutrons = \(13 + 14=27\)

Answer:

27