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30 Cards in this Set
- Front
- Back
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Atoms bond with other atoms to to get full ____ ____
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Valence level (8 electrons)
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The orect rule states
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8 electrons is most stable.
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Hydrogen, helium and boron are exceptions to what rule?
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The orect rule
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Metals are atoms with ____ valence levels
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Less than half full (less than 4). Which means they have low ionization
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Nonmetals are atoms with valence levels that are _____
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More than half full (more than4) high ionization
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Which has higher ionization, metals or nonmetals?
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Nonmetals
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When a neutral atom gives up electrons it becomes ____ cation or anion?
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Positive (a cation)
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When electrons are added to neutral atom it becomes ____ cation or anion?
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Negative anion
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Cations and anions are attracted true or false
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True
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Nonmetals mostly bond with ____
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Metals
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Covalent bonding forms ____ molecules
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Covalent
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Covalent means metals or nonmetals?
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Nonmetals
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If 2 atoms share electrons evenly what kind of bond is it?
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Non polar covalent
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If one atom pulls on electrons harder what kind of bond?
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Polar covalent
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What are the electrons like when metals bond with metals?
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A pool of electrons forms. Electrons free to move around nuclei. Conduct electriciTy
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Do metals bond with specific other metal atoms?
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Nom theyre bonded in a large group/network. Which makes metals malleable and ductile
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Most compounds with same bond type have ____ properties
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Similar
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Most ionic compounds have ____ melting and boiling points and are ____ at room temp
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High, solids
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Polar covalent molecules have ____ melt points and often ____ or ____ at room temp
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Medium, liquids or solids
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Covalent molecules have ____ melt points and are ____ or ____
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Lower, liquids or gases
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Metallic Bonds are ____ at room temp
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Solid (exception mercury)
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Many ionic compounds ____ in water
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Dissolve
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Many polar covalent compounds ____ in water
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Dissolve
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Are non polar covalent bonds soluble?
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Not usually
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When ionic compounds dissolve in water, ions become ____
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Free to flow through water
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When ionic compounds melt and become liquid they ____
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Conduct electricity
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Compounds that conduct electricity are called ____
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Electrolytes
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Can polar and non polar molecules conduct electricity?
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No, no charge
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Can pure water conduct electricity?
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No
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What does soap do to polar and non polar bonds?
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Breaks them down
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