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11 Cards in this Set
- Front
- Back
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Electron Cloud |
Area of space around the nucleus where the atom's electrons travel called the electron cloud |
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Energy Levels |
The different ares for an electron in an atom are called energy levels |
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Electron Dot Diagram |
is the symbol for the element surrounded by as many dots as there are electrons in its outer energy level |
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Ion |
an atom that is no longer neutral because it has lost or gained an electron |
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Ionic Bond |
attraction that holds the ions close together, is a type of chemical bond |
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Compound |
pure substance containing two or more elements that are chemically bonded |
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Metallic Bonds |
when metal atoms share their pooled electrons |
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Covalent Bond |
the chemical bond that forms between nonmetal atoms when they share electrons |
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Molecule |
the neutral particle formed when atoms share electrons is called a molecule. A molecule is a basic unit of molecular compound. |
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Polar Bond |
a bond in which electrons are shared unevenly ex: bond between the oxygen atom and hydrogen atoms in the water molecule is a polar bond |
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Chemical Formula |
a combination of chemical symbols and numbers that shows which elements are present in a compound and how many atoms of each element are present |
