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Chem Reference Sheet
AP Chemistry
| Term | Definition |
|---|---|
| H | Hydrogen |
| He | Helium |
| Li | Lithium |
| Be | Beryllium |
| B | Boron |
| C | Carbon |
| N | Nitrogen |
| O | Oxygen |
| F | Fluorine |
| Ne | Neon |
| Na | Sodium |
| Mg | Magnesium |
| Al | Aluminum |
| Si | Silicon |
| P | Phosphorus |
| S | Sulfur |
| Cl | Chlorine |
| Ar | Argon |
| K | Potassium |
| Ca | Calcium |
| Sc | Scandium |
| Ti | Titanium |
| V | Vanadium |
| Cr | Chromium |
| Mn | Manganese |
| Fe | Iron |
| Co | Cobalt |
| Ni | Nickel |
| Cu | Copper |
| Zn | Zinc |
| Ga | Gallium |
| Ge | Germanium |
| As | Arsenic |
| Se | Selenium |
| Br | Bromine |
| Kr | Krypton |
| Rb | Rubidium |
| Sr | Strontium |
| Mo | Molybdenum |
| Pd | Palladium |
| Ag | Silver |
| Cd | Cadmium |
| Sn | Tin |
| Sb | Antimony |
| Te | Tellurium |
| I | Iodine |
| Xe | Xenon |
| Cs | Cesium |
| Ba | Barium |
| La | Lanthanum |
| W | Tungsten |
| Pt | Platinum |
| Au | Gold |
| Hg | Mercury |
| Tl | Thallium |
| Pb | Lead |
| Bi | Bismuth |
| Po | Polonium |
| Rn | Raadon |
| Fr | Francium |
| Ra | Radium |
| Ac | Actinium |
| U | Uranium |
| Pu | Plutonium |
| Zr | Zirconium |
| Diatomic Elements | H2, N2, F2, O2, I2, Cl2, Br2 |
| OH (-) | Hydroxide ion |
| CN (-) | Cyanide ion |
| NH4 (+) | Ammonium ion |
| NO3 (-) | Nitrate ion |
| NO2 (-) | Nitrite ion |
| CO3 (2-) | Carbonate ion |
| SO4 (2-) | Sulfate ion |
| SO3 (2-) | Sulfite ion |
| ClO4 (4-) | Perchlorate ion |
| ClO3 (-) | Chlorate ion |
| ClO2 (-) | Chlorite ion |
| ClO (-) | Hypochlorite ion |
| CrO(4) (2-) | Chromate ion |
| Cr2 O7 (2-) | Dichromate ion |
| MnO4 (-) | Permanganate ion |
| PO4 (3-) | Phosphate ion |
| CH3 COO (-) | Acetate ion |
| H3 O (+) | Hydronium ion |
| H2 O | Water |
| NH3 | Ammonia |
| CH4 | Methane |
| H2 O2 | Hydrogen peroxide |
| C6 H6 | Benzene |
| CO2 | Carbon Dioxide |
| Alkali Metals | Group 1 |
| Alkaline Metals | Group 2 |
| Transition Metals | Group 3-12 |
| Metalloids | Boron (B), Silicon (Si), Germanium (Ge), Arsenic (As), Antimony (Sb), Tellurium (Te), Polonium (Po) Astatine (At) |
| Halogens | Group 17 |
| Noble Gases | Group 18 |
| Groups or families | the vertical columns of elements that share similar chemical properties and the same number of valence electrons |