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Chem Exam 1
| Term | Definition |
|---|---|
| Ar | Argon |
| K | Potassium |
| Ca | Calcium |
| V | Vanadium |
| Cr | Chromium |
| Zn | Zinc |
| Atom | building blocks of matter |
| heterogeneous | unevenly mixed |
| H | Hydrogen |
| He | Helium |
| Li | Lithium |
| Be | Beryllium |
| B | Boron |
| C | Carbon |
| N | Nitrogen |
| O | Oxygen |
| F | Flourine |
| Ne | Neon |
| Na | Sodium |
| Mg | Magnesium |
| Al | Aluminium |
| Si | Silicon |
| P | Phosphorus |
| S | Sulfur |
| Sc | Scandium |
| Ti | Titanium |
| Mn | Manganese |
| Fe | Iron |
| Co | Cobalt |
| Ni | Nickel |
| Ga | Gallium |
| Ge | Germanium |
| As | Arsenic |
| Se | Selenium |
| Br | Bromine |
| Kr | Krypton |
| Ag | Silver |
| I | Iodine |
| Xe | Xenon |
| Au | Gold |
| Hg | Mercury |
| Pb | Lead |
| Rn | Radon |
| Pure Substance | Anything made of 1 type of element or compound |
| Element | made of 1 type of atom |
| Compound | more than 1 type of element bonded the same way every time |
| homogeneous | evenly mixed |
| Deposition | gas to solid |
| sublmination | solid to gas |
| hypothesis | educated guess |
| prediction | a statement of what will happen next in a sequence of events |
| theory | explains why the world works |
| law | doesn't explain why the world works |
| precision | how close the repeated measurements are to one another |
| accuracy | how close a measurement is to the true value |
| eq for density | d=m/v |
| cubic centimeter | millimeter |
| Alkali Metals | 1A |
| Halogens | 7A |
| Alkaline Earth Metals | 2A |
| Noble Gases | 8A |
| Electrons | Orbitals |
| Anion | negative ion |
| Cation | positive ion |
| charge | p - e |