1.)
Define element and compound.
2.)
State four elements essential to life that make up 96%of living matter.
3.)
Describe the structure of an atom.
4.)
Define and distinguish among atomic number, mass number, atomic weight
and valence.
5.)
Given the atomic number and mass number of an atom, determine the
number of neutrons.
6.)
Explain why radioisotopes are important to biologists.
7.)
Explain how electron configuration influences the chemical behavior of
an atom.
8.)
Explain the octet rule and predict how many bonds an atom might form.
9.)
Explain why the noble gases are so unreactive.
10.)
Define electronegativity and explain how it influences the formation of
chemical bonds.
11.)
Distinguish among nonpolar covalent, polar covalent and ionic bonds.
12.)
Describe the formation of a hydrogen bond and explain how it differs
from a covalent or ionic bond.
13.)
Explain why weak bonds are important to living organisms.
14.)
Describe how the relative concentrations of reactants and products
affect a chemical reaction.
15.)
Describe the chemical conditions on early Earth and
explain how they were different from today.