Recognize and differentiate that matter is made of particles in constant motion (solid, liquid, gas, and plasma)
Explain why adding or removing energy causes a phase change and
give example (4.01)
Define and give examples of elements and compounds
Compare and contrast a pure substance and mixture (homogeneous
and heterogeneous). (4.02)
Identify and give examples of physical and chemical changes. (4.03)
Describe contributions of scientists to the modern atomic theory from
Democritus through Chadwick (4.04)
Describe the structure of atoms (electrons, neutrons, and protons)
Define isotope.
Compare atomic number and mass number. Be able to solve for
mass number, neutrons, and protons.
Explain how the periodic table is organized.
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