ASSIST URENT $,$ VERY IMPORTANT Question

a$)$ Identify the number of protons, neutrons and electrons for the following: ${?}_{12}^{26}M{a}^{2+}$

b$)$ The mass number of an atom is $16.$ It has $8$ neutrons. What is the name of this atom?

c$)$ Write the electron configuration for the following atom: ${?}_{16}^{36}{x}^2.$

d$)$ You suspect you have found a new isotope for Vanadium $(50\mathrm{.}9435a.$ One of the

isotopes consists of atoms having a mass of $50\mathrm{.}9441a$; the other has a mass of

$48\mathrm{.}901a.$ What is the percent natural abundance of both isotopes?