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19 Cards in this Set
- Front
- Back
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define polar and nonpolar?
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p-slightly positve end and slightly negative end
n-atoms share electrons equally |
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what is a ion?
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charged particle that has to gain or lose an electron.
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what is a molecule?does it have a charge?
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a nutral particle which is a result of a covalent bond no charge.
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what makes an atom stable?
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when the outer shell is full of electrons.
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what is an oxidation number
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tells how many electrons the atoms iswilling to gain,lose,or share.
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what does a subscript show?
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how many atoms of a particular elements are present.
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list as many differences between ionic and covalant bonds as possible?
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i-trasfer of electrons and b/t metal and nonmetals
c-atoms sharing electrons and b/t 2 nonmetals. |
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what is the sum of oxidation numbers in a compound?
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zero
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differentiate between fusion and fission?
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fusion-2 nuclei with low masses are combinded one nucleus of larger mass
fission- process of of splitting of the nucleus into a smaller nuclei |
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explain how to name a compound
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ionic or covalent-if covalent use prefixes-if ionic and transion use roman numerals
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explain how to write the formula for a compound.
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ionic or covalent-if covalent use prefixes-if ionic see if charges equal zero if not use subscripts
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name-A). AlBr3
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aluminum bromine
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name-B). SO3
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sulfur trioxide
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name-C). FeO
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iron (ll) oxide
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write formula-A). Magnesium Chorlide
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MgCl2
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write formula-B).sulfur dioxide
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SO2
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write formula-C). copper (ll) oxide
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CuO
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diference between alpha beta and gamma.
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2 proton 2 neutrons-largest and weakest(l electron faster smaller stronger) no particles and strongest.
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how are properties of a compound related to the properties of the elements that make up the compound?
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different from the elements
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