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10 Cards in this Set
- Front
- Back
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Atom
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Particle of an element; no charge
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Molecule
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particle of a molecular compound; no charge and is made up of atoms bonded together with covalent/molecular
bonds (sharing electrons) |
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formula unit
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Neutral particle of an ionic compound; no charge. Made up of cation(s) with anion(s) [+ve with -ve] bonded
together with ionic bonds |
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Ion
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- charged particle; e.g. Na , Al , O (monatomic); OH , NO ,
+ 3+ 2- - - SO4 (polyatomic) |
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monatomic ion
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(ion from single atom) is formed when an atom
loses or gains electrons |
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polyatomic ion
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is formed when two or more atoms combine with
overall charge - only exists inside a form. un. of an ionic compound, in combination with its oppositely charged partner |
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Cation
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positive charge
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Anion
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Negative charge
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Element
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substance made up of atoms; cannot be separated into
anything smaller |
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compound
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substance made up of molecules (molecular) or formula
units (ionic), which are made up of two or more elements; can be separated into elements by chemical change. |
