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12 Cards in this Set
- Front
- Back
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electron cloud |
the area of space around the nucleus were electrons travel |
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energy levels |
the different areas for an electron in a atom |
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electron dot diagram |
a symbol for an element sounded by as many dots there are in the outer energy level |
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chemical bond |
is a force that holds two atoms together |
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ion |
an atom that is no longer nutrail because it ether lost or gained an electron |
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ionic bond |
a type of chemical bond that holds ions closer together |
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compound |
is a pure substances containing two or more elements witch are chemically bonded
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metallic bonds |
is when metal atoms share their pooled electrons |
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covalent bond |
the chemical bond that forms between nonmetals atoms when they share electrons |
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molecule
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a basic unit of a molecule compound
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polar bond |
is a bond between oxygen atoms and hydrogen atoms in a water molecule or an unequal share of electrons were on side is negative and the other is more positive |
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chemical formula |
chemical formula; is a combination of chemical symbols and numbers that showed witch elements are present in a compound and how many atoms of each element are present when no scription is shown the number of atoms is understood to be one |
