*Give examples of matter and things that are not matter
*Know the approximate time period each of the following scientists lived and their maincontributions to our understanding of matter:

Lavoisier,                 DaltonChadwickThomsonRutherford
*Know the 3 subatomic particles in all atoms, the charges of each, and where they are located in the atom.

*Understand what all the numbers (atomic mass and atomic number) on the Periodic Table are and how the elements are arranged. 

*Know the atomic/element symbol for the following elements:Silver, Mercury, Nitrogen, Helium, Sodium, Potassium, Gold, Carbon, Hydrogen, Iron, Neon, Magnesium, Phosphorous.

*Be able to calculate the number of protons, neutrons, and electrons in all elements based on looking at the Periodic Table.

*Distinguish between metals, non-metals, and metalloids given their properties.

*Be able to recognize examples of atoms, elements, compounds, and mixtures and tell how they are different from each other.

*Identify the proportion or ratio of elements in a given compound and given a compound be able to tell how many of which element is present.
*Distinguish between homogeneous and heterogeneous mixtures and give examples of each.

*Compare and contrast the proportions/ratios in mixtures and compounds.

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