What type of intermolecular bond occurs between two water molecules?
A) dipole to dipole
B) hydrogen
C) ionic
D) polar covalent

Anurse practitioner prepares an injection of promethazine, an antihistamine used to treat allergic rhinitis. if the stock bottle is labeled 25 mg/ml and the order is a dose of 11.0 mg , how many milliliters will the nurse draw up in the syringe?

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Name the element in group 17, period 2. (periodic table)