Atoms
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Created by:
JimRusconi Plus on December 14, 2010
Description:
Parts of the atom
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20 terms
Terms | Definitions |
|---|---|
 Proton | positively charged particle in the nucleus of an atom |
| Neutron | a subatomic particle that has no charge and that is located in the nucleus of an atom |
| Electron | negatively charged particle; located outside the atomic nucleus |
| Nucleus | the center of the atom which contains the protons and neutrons |
| Orbital | a region in an atom where there is a high probability of finding electrons |
| Element | any substance that cannot be broken down into simpler substances |
| Atoms | the smallest unit of matter that has the characteristics of an element; consists of three main types of subatomic particles: protons neutrons and electrons. |
| Isotope | one of two or more atoms with the same atomic number but with different numbers of neutrons |
| Compound | (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight |
| Ionic bond | the attractive force between two ions of opposite charge |
| Ion | atom that has a positive or negative charge |
| Covalent Bond | a chemical bond that involves sharing a pair of electrons between atoms in a molecule |
| Atomic number | the number of protons in the nucleus of an atom |
| Mass Number | the total number of protons and neutrons in the nucleus of an atom |
| Molecule | two or more atoms held together by covalent bonds |
| Van der Waals | a slight attraction that develops between the oppositely charged regions of nearby molecules |
| Polar Molecules | molecules that have an unequal distribution of charges |
| Inert Gasses | noble gasses, have full outer shells, and DO NOT COMBINE |
| Electron acceptors | Those atoms with nearly full outer levels tend to acquire electrons to fill their orbitals. |
| Electron Donors | Those atoms with a nearly empty outer level can find stability most easily by giving up an electron |
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