Download Unit 7: The Nature of Matter Essential Questions:

Unit 7: The Nature of Matter
Essential Questions:
1. What is the world made up of?
2. How do we identify different
materials?
Mastery Objectives: To answer the essential questions, students will be
able to:
Atoms
o Describe the structure of an atom
o Discus the early history of the study of the atom; including the
contributions of Aristotle, Democritus, Joseph Priestly, Antoine
Lavoisier, John Dalton, J.J. Thomson, Ernest Rutherford, Niels
Bohr, and Gilbert Lewis
o Explain the organization of the Periodic Table
o Use the Periodic table to determine an element’s name, symbol,
atomic number, atomic mass, numbers of protons, electrons, and
neutrons, number of electron shells, number of valence electrons,
the most common isotope, ionic state, and type of substance; metal,
nonmetal, or metaloid
o Construct Lewis and Bohr models of atoms
Elements, Compounds, and Mixtures
o Explain the difference between a compound, element, and a mixture
and give examples
o Explain the difference and give examples of a homogeneous and a
heterogeneous mixture
o Explain the difference between a colloid and a suspension
States of Matter
o Define matter
o Identify the four state of matter and give examples of each
o Identify properties of each state of matter
o Compare and contrast the states of matter
o Explain the effect of temperature and heat on particle motion
o Explain the Kinetic Molecular Theory
Physical or Chemical Properties
o Define and give examples of physical and chemical properties
o Determine or calculate the physical properties of a substance;
including boiling point, melting point, freezing point, and density
o Use physical and chemical properties of matter to classify, describe,
and identify matter