how do the properties of sodium chloide (NaCl) compare with the properties of its component elements, sodium (Na) and chlorine (Cl)

According to the loco mass the mass of reactants and products

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.

What happens whenever a net force acts on an object