What is the molecular shape of HSH

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

How can the number of core electrons be determined from the periodic table

Water is called the universal solvent because more substances dissolve in water than in any other chemical. this has to do with the polarity of each water molecule. the hydrogen side of each water (h2o) molecule carries a slight positive electric charge, while the oxygen side carries a slight negative electric charge.