It depends on what illness and what country you are in but Mayo Clinic and Johns Hopkins are good sources.
The answer is : <span> Ca2+ & </span><span> Br.
Na2 would not give away 2 electrons.
Cl would not give away any electron
Ne- & Ne+ are noble gases, so, they do not give up or take electrons.</span>
Explanation:
Below is an attachment containing the solution.
The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. As the force acting upon an object is increased, the acceleration of the object is increased. As the mass of an object is increased, the acceleration of the object is decreased.
