An α particle is the nucleus of 4He to how many protons, neutrons and electrons exist in an alpha particle b) what is the charge of an α particle in units of electric charge(C. coulombs). c) What is the force that keeps the protons and neutrons in an α particle?

solute : a solute is a substance that is dissolved in another substance is known as a solvent. it is mixed with a special mixture know as homogeneous mixture.

solvent: a solvent is a substance that dissolved a solute, which results in a solution is known as solvent.

the formula mass of a molecule or a compound is the sum of the atomic weights of the atoms in its empirical formula

(that's what i know about formula mass)