Chapter 7 - Water the Universal Solvent

Electrons are shared equally

• Free water

• Hydrogen bond

• Nonpolar covalent bond

• Polar covalent bond

Water that is tied to the structure of large molecules like protein and starches

• Anhydrous

• Bound Water

• Free water

• Hydrogen bond

Unequal sharing of electrons

• Polar covalent bond

• Bound water

• hydrogen bond

• free water

Weak attraction between positive and negative ends of two molecules

• Anhydrous

• free water

• Hydrogen bond

• polar covalent bond

Free of water

• Free water

• Polar covalent bond

• Bound water

• Anhydrous

The chemical formula for water is ____________.

• HO

• H2O

• H2O2

• H3O

_______ bonds are formed within a water molecule.

• Intermolecular

• Hydrogen

• Nonpolar covalent

• Polar Covalent

In a hydrogen bond, the _____.

• hydrogen of one atom is attracted to the oxygen of another

• hydrogen of one atom is attracted to the hydrogen of another

• oxygen end of the molecule is slightly positive

• hydrogen end of the molecule is slightly negative

Which of the following is not a property of water?

• It is an excellent solvent.

• It contains weak hydrogen bonds.

• It is a non-polar molecule.

• It has a greater surface tension than most compounds

In which state is water most dense?

• Gas.

• Liquid.

• Solid.

• It is equally dense in all states.