If a sodium ion has 11 protons, 12 neutrons, and 11 electrons, what is the atomic mass of the atom?

What is the strongest intermolecular force between an nacl unit and an h2o molecule together in a solution? covalent bonding dipole-dipole force hydrogen bonding ion-dipole force

What is the number of moles in 15.0 g ash3?

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.