Amole or fraction of a mole represents a number of atoms or molecules.

a : specific

b : nonspecific

specific

Explanation:

a mole represents the amount of grams it takes to have avogadro's number

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.