All of the following institutions awards certificates except: a.) community college b.) liberal arts college c. junior college d.) vocational schools

Except B, Liberal Arts College

Both models are effective because they show the valence electrons, and these valence electrons indicate the reactivity of an element.

The molar mass of a substance is defined as the mass of 1 mol of that substance, expressed in grams per mole, and is equal to the mass of 6.022 × 10 23 atoms, molecules, or formula units of that substance.