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Chemical Compounds

Across
Formed when atoms share electrons
A protein that speeds up a chemical reaction in living things.
Sugars and starches are an example of this.
An ion that contains more than one atom.
A fat that has fewer hydrogen atoms because of double bonds.
The electrons in the highest, energy level of the atom.
The building blocks of proteins
A compound that is composed of long chains of smaller molecules.
A quantity that indicates the charge on an atom.
A chemical compound that consists of two elements.
Down
The ratio of atoms of each element in the compound
An atom or group of atoms that has an electrical charge.
A method for representing an atom's valence electrons.
Forms when atoms transfer or share electrons.
Fats, oils and waxes are examples of this.
A bond formed when a metal transfers an electron to a nonmetal.
A group of atoms held together by covalent bonds.