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40 Cards in this Set
- Front
- Back
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Higher melting points.. |
stronger bonds |
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ionic substances conducts good: |
melted and dissolved in solution |
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ionic bonds are strong in: |
high melting points and high boiling points |
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type of elements in a ionic bond? |
metal + non-metal |
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if metal + oxygen= |
oxide forms |
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name of MgO |
magnesium oxide |
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name of Zn3P2 |
zinc phosphine |
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meaning of Polyatomic ion |
many atoms charge |
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name of Al(H2PO4)3 |
aluminum dihydrogen phosphate |
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conduct electricity depends on the..
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availability of the free flowing electrons |
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what reaction does the lattice energy has? |
always exhotermic reaction |
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the product is MORE stable or LESS stable than individual ions? |
more stable |
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bonds formed= |
energy released |
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definition of lattice energy: |
the energy regained to separate 1 mole of ions of an ionic compound |
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greater lattice energy --> |
stronger force of attraction |
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opposite charges are: |
closer together |
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if you separate ions, it INCREASES or DICREASES the attractive forces? |
decreases |
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if ions are smaller, are they MORE attractive or LESS attractive together? |
MORE |
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in ions, size... |
size matters |
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meaning of thermal |
heat |
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the thermal energy allows metals to.. |
to be good conductors |
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Cr, Fe and Ni are considered.. |
hard metals |
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alkali metals are hard or soft? |
soft |
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meaning of "Alloys" |
mix of metals |
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Properties of Alloys: |
may differ from the metals they contain |
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the force that holds two atoms together is called an: |
chemical bond |
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the attraction of charged atoms may involve |
valence electrons |
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what are the valence electrons? |
the electrons in the outermost energy level |
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a positively charged ion is called an |
cation |
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the ending -ide is used to designate an.. |
anion |
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what's an ionic bond? |
the force that holds together atoms that are oppositely charged |
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the overall charge of a formula unit for an ionic compound is.. |
always zero |
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ionic bounds generally occur between |
a metal and non metal |
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salts are examples of |
ionic compounds |
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a three-dimensional arrangement of particles in an ionic solid is called a |
crystal lattice |
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in a crystal lattice of an ionic compound ions are.. |
surrounded by ions of the opposite charge |
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the more negative the lattice energy is.. |
the greater the force |
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the formation of a stable ionic compound from ions... |
may be either exothermic or endothermic |
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what is the name of the model of metallic bonding that is illustrated? |
electron sea model |
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anion's have.. |
negative energy |
