Answer:
Na+ is positively charged as it loses an electron
Cl- is negatively charged as it gains an electron
<span>If a reaction is reversible, then it will attain the phase of Equilibrium and at that phase, the Amount of Reactants and Products would be: Equal
Hope this helps!</span>
It would be A) Cl, K, Ar
Because Cl=35,K=39,Ar=40
Heat energy is needed for evaporation to happen.
