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13 Cards in this Set
- Front
- Back
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What's an element?
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One type of atom, eg. Au, Na, Fe..
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What's a compound?
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Two or more atoms chemically bonded, eg. CO2.
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Metal tends to form what? (charges)
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Cations.
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Non-metals tend to form what? (charges)
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Anions.
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What's an Ion compound?
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It's a compound made by one metal and one non-metal, this compound forms a lattice which crystallizes.
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What's a chemical bond?
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There are three types of chemical bonds:
-ionic bond, holds ions together, metal + non-metal, by transferring electrons. -Covalent bond, holds non-metal together by sharing electrons. -Metallic bonding, holds metals together by pool of electrons. |
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Negative ions have a special prefix, which?
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They're called by their name +
-ide. |
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What do positive ions do?
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They loose x numer electron.
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What do negative ions do?
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They gain x number electron.
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What types of covalent bonds are there?
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-Simple bond, each atom is sharing 1 electron each.
-Double bond, each atom shares two electrons. -Triple bond, each atom shares three electrons. |
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Optimum distance.
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Gives bond strength.
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What's the energy that is released when bonds form called?
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Dissocationstance.
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What type of electronegativity is there?
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-Lesser than 0,5 here bonds are non-polar.
-Greater than 0,5 here bonds are polar. -Greater than 1,8 here ionic bonds form. |
