AP Biology Campbell Chapter 2 Objectives
Subject:
Biology [1]
Elements and Compounds
Distinguish between an element and a compound.
Identify the four elements that make up 96% of living matter.
Define the term trace element and give an example.
Atoms and Molecules
Draw and label a simplified model of an atom. Explain how this model simplifies our understanding of atomic structure.
Distinguish between each of the following pairs of terms:
neutron and proton
atomic number and mass number
atomic weight and mass number
Explain how the atomic number and mass number of an atom can be used to determine the number of neutrons.
Explain how two isotopes of an element are similar. Explain how they are different.
Describe two biological applications that use radioactive isotopes.