Water is amphoteric. What does this mean?
It acts as a base only, forms OH- ions and is a proton donor.
It acts as a acid only, forms H+ ions and proton donor.
It acts as and acid (a proton donor) and a base (proton acceptor).
It acts as and acid (a proton acceptor) and a base (proton donor).
Water is a tetrahedral shaped molecule. As such waters bond angles are 109.5?