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7 Cards in this Set
- Front
- Back
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What are the electron in the outer orbit called
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Valence electrons
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What is the relationship between the number of protons and electrons
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equal number
protons: nucleus positive neutrons: nucleus no charge electrons: orbits around nucleus negative |
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how is a solution different from a suspension
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suspension is a mixture of water and no dissolved material
solution is an even distribution of two or more substances |
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what is a ph scale
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ph scale determines whether a substance is an acid or a base
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what is the difference between ionic bond and covalent bond
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in ionic bonds the atom is gaining or losing electrons
in covalent bonds atoms are sharing electrons |
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what is a compound
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a substance formed by chemical combination of tow or more elements in definite proportions
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how do compounds often compare to their parts
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a compound usually has different characteristics than the parts
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