Chemistry Test 1 Stuff

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Everything for Exam 1
Nathaniel Parkinson
Mind Map by Nathaniel Parkinson, updated more than 1 year ago
Nathaniel Parkinson
Created by Nathaniel Parkinson about 3 years ago
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Chemistry Test 1 Stuff
  1. Why study chemistry?
    1. Chemistry can be useful in explaining the natural world, preparing people for career opportunities, and producing informed citizens.
    2. Chemistry is the study of matter
      1. Matter is Anything that has mass and takes up space
        1. Matter is made up of atoms
          1. Atoms are made up of protons, electrons, and neutrons.
            1. Unique combinations of Protons, Neutrons, and Electrons make up elements.
              1. elements form molecules.
                1. Molecules have shapes and geometries
                  1. Elements are a molecule of only one kind of atom. Cannot be broken into simpler units by chemical means (Sodium, Helium, Etc.)
                    1. Elements are organized on the periodic table of elements
                      1. On the Periodic table, Columns are groups and rows are periods
            2. Physical matter has 3 main states
              1. Solid (Rigid and has volume
                1. Liquid(Fluid and has volume)
                  1. Gas (Fluid without definite shape
                  2. Mass is how much matter something has
                    1. Weight is the gravitational pull of something.
                      1. Work is a result of moving an object a certain distance
                  3. Chemistry fields examples
                    1. Organic Chemistry
                      1. Inorganic Chemistry
                        1. Biochemsitry
                          1. Analytical Chemistry
                            1. Environmental Chemistry
                          2. Chemical equations
                            1. describe chemical reations when balanced
                            2. Pure substances are elements and compounds without impurities
                              1. Compounds are two elements chemically combined
                                1. The Law of Constant Composition
                                  1. no matter where you go in the Universe, compounds will always be made of the same stuff. (Water on earth is the same chemically as water on Europa or Mars)
                                2. Mixtures are two substances NOT chemically combined
                                  1. Heterogeneous Mixtures look the different throughout
                                    1. Homogeneous Mixtures look the same throughout
                                    2. Pure substances have Physical and Chemical Properties
                                      1. Physical properties can be observed without changing the substance chemically.
                                        1. Physical changes don't change the composition of a substance
                                        2. Chemical properties can only be observed when chemically changing the substance
                                          1. Chemical change changes the composition of a substance
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