| A | B |
|---|
| meter | 100 cm |
| centimeter | 10 mm |
| liter | 1000 mL |
| gram | weight of one cubic centimeter of water |
| milliliter | 1 cc of water |
| mass | amount of matter (cow) |
| volume | space (tank) |
| density | mass/volume |
| element | pure substance made of atoms |
| compound | combination of elements |
| mixture | solution, colloid, or suspension |
| soluble | particles dissolve |
| insoluble | particles do NOT dissolve |
| suspension | particles settle |
| universal solvent | water |
| physical changes | no new particles are made |
| chemical changes | change in substances; chemical reactions |
| viscosity | resistance to flow |
| ductility | copper wire |
| metals | good conductors of heat and electricity |
| units of density | g/cm3 or g/mL |
| ESA | Equation, Substitution, Answer |
| solid | definite shape, definite volume |
| liquid | definite volume, no definite shape |
| gas | no definite shape, no definite volume; fills container |
| gas pressure | collide with walls of container; force/area |
| Charles's Law | T^ V^ |
| Ball and ring apparatus | demonstrates thermal expansion |
| Kinetic Molecular Theory | Moving particles in all matter |
| endothermic | heat in: melting, evaporating |
| exothermic | heat out: condensation, freezing |
| atomic number | number of protons in nucleus |
| mass number | number of protons and neutrons in nucleus |
| nucleus | center of an atom |
| subatomic particles | protons, neutrons, and electrons |
| protons | positive particle in the nucleus |
| neutons | neutral particle in the nucleus |
| electron | negative particle outside nucleus |
| isotope | same number of protons, different number of neutrons |
| Energy Levels | "rings" around the nucleus; corresponds to periods |
| Electron dot diagrams | "shows" valence electrons |
| valence electrons | most outer electrons |
| 1A | first column on periodic table; atoms have one valence electron |
| ion | "charged" atom |
| binary compound | compound made up of two elements |
| chemical formula | abbreviation for chemical compound |
| ionic bond | complete transfer of electron(s) |
| covalent bond | sharing of electrons |
| subscript | number written below in chemical formula |
| superscript | number written above; oxidation number |
| coefficient | "Big" number used to balance chemical equations |
| reactants | substances before a chemical reaction |
| products | substances after a chemical reaction |
| catalyst | speeds up a chemical reaction |
| independent variable | comes first in an experiment |
| dependent variable | changes because of independent variable |
| Law of Conservation of Mass | mass of reactants = mass of products |
| Evidence of Chemical Change | Banana, volcano, chunky milk |
| buoyancy | "things sink until they float;" based on density |
| acid rain | rain that more acidic than "normal" rain |
