Chem Final
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Created by:
allieevanchoo on January 18, 2011
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28 terms
Terms | Definitions |
|---|---|
 Gases (11) | Nitrogen, Oxygen, hydrogen, helium, neon, xenon, argon, radon, fluorine, chlorine, krypton |
| Liquids (2) | Bromine and mercury |
| Dalton's Atomic Theory | 1) All matter is made of atoms. Atoms are indivisible and indestructible. 2) All atoms of a given element are identical in mass and properties 3) Compounds are formed by a combination of two or more different kinds of atoms. 4) A chemical reaction is a rearrangement of atoms. |
| Isotopes | atoms of the same element that have different numbers of neutrons |
| Element Families | Alkali Earth Metals, Alkaline Earth Metals, Transition Metals, Metalloids, Noble Gases, Non-Metals, Halogens |
| 1 | mono- |
| 2 | di- |
| 3 | tri- |
| 4 | tetra- |
| 5 | penta- |
| 6 | hexa- |
| 7 | hepta- |
| 8 | octa- |
| Physical change | doesn't change what the substance is. |
| Chemical change | a new substance is formed and energy is either given off or absorbed. |
| intermolecular bonds | relatively weak interactions that occur between molecules |
| Intramolecular bonds | interactions that occur within a given molecule |
| type one compounds | the metal present forms only one type of cation |
| ionic compound | a compound between a metal and a nonmetal |
| ion | a charged entity |
| covalent bonds | a type of strong chemical bond in which two atoms share one pair of valence electrons |
| JJ Thompson | 1897- Idea of a subatomic negatively charged particle (electron). Made Plum Pudding model of the atom. |
| Rutherford | British physicist (born in New Zealand) who discovered the atomic nucleus and proposed a nuclear model of the atom (1871-1937) |
| Millikan | Oil drop experiment- measured charge on an electron. |
| Bohr | Planetary model- discovered that electrons are orbiting around the nucleus. |
| Schrodinger | formulated a mathematical formula that describes probable area called orbitals where electrons are most likely located |
| Orbit | is the path an electron takes around an atom |
| Orbital | is a shape resulting in the combination of all probable orbits |
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