Download - UNIT 3 REVIEW
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UNIT 3UNIT 3
REVIEW REVIEW
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ElementsElements
If the formula has ONE CAPITAL If the formula has ONE CAPITAL LETTER, it is an element, and its name is LETTER, it is an element, and its name is what is found on the periodic table what is found on the periodic table (regardless of subscript)(regardless of subscript)
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IONSIONS
Positive ions are named for the elementPositive ions are named for the element Na+ is the ‘sodium ion’Na+ is the ‘sodium ion’
Negative ions end in ‘-ide’Negative ions end in ‘-ide’ Cl- is the “chloride ion”Cl- is the “chloride ion”
Check table E for polyatomic ions (like Check table E for polyatomic ions (like NONO33
--))
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all TWO element compounds all TWO element compounds (two capital letters) end in –(two capital letters) end in –IDE, whether molecular or IDE, whether molecular or ionicionic
NFNF33 nitrogen trifluor nitrogen trifluorideide
CaClCaCl22 calcium chlor calcium chlorideide
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MOLECULAR COMPOUNDSMOLECULAR COMPOUNDS::
- start with a - start with a NON-METALNON-METAL
- use - use PREFIXESPREFIXES in the name in the name
PP22OO5 5
didiphosphorus phosphorus pentpentoxideoxide
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IONIC COMPOUNDS:IONIC COMPOUNDS:
- start with a - start with a METALMETAL
- - NONO prefixes in name prefixes in name
- if given name write SYMBOL - if given name write SYMBOL and CHARGE above names to and CHARGE above names to find formulafind formula
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KF potassium fluorideKF potassium fluoride
MgMg2+ 2+ PP3-3-
magnesium phosphidemagnesium phosphide
MgMg33PP22
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If the metal can have more If the metal can have more than one charge, use than one charge, use ROMAN NUMERALS in the ROMAN NUMERALS in the name:name:
CuCu2+2+ Cl Cl--
copper (II) chloride copper (II) chloride CuClCuCl22
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if non-metal is if non-metal is POLYATOMIC IONPOLYATOMIC ION, , compound ends in compound ends in –ITE–ITE or or –ATE–ATE::
KNOKNO33 potassium nitr potassium nitrateate
NaNa22SOSO4 4 sodium sulf sodium sulfateate
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write formula and then name for:write formula and then name for:
NN22OO44
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dinitrogen tetroxidedinitrogen tetroxide
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SeFSeF22
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selenium difluorideselenium difluoride
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BB44CC
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tetraboron tetraboron monocarbidemonocarbide
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MgIMgI22
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magnesium iodidemagnesium iodide
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AgAg22SS
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silver sulfidesilver sulfide
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AlBrAlBr33
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aluminum bromidealuminum bromide
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sodium oxidesodium oxide
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NaNa22OO
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lithium phosphidelithium phosphide
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LiLi33PP
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O2
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oxygenoxygen
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beryllium arsenideberyllium arsenide
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BeBe33AsAs22
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iron(II) sulfideiron(II) sulfide
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FeSFeS
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chromium (III) chromium (III) fluoridefluoride
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CrFCrF33
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lead (IV) hydridelead (IV) hydride
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PbHPbH44
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NiNNiN
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nickel (III) nitridenickel (III) nitride
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MnOMnO22
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manganese (IV) manganese (IV) oxideoxide
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TiClTiCl33
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titanium (III) chloridetitanium (III) chloride
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LiNOLiNO33
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LiNOLiNO33
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Oxide ionOxide ion
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OO2-2-
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NHNH44FF
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ammonium fluorideammonium fluoride
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MgCOMgCO33
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magnesium magnesium carbonatecarbonate
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calcium chloratecalcium chlorate
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calcium ioncalcium ion
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CaCa2+2+
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Ca(ClOCa(ClO33))22
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lithium phosphatelithium phosphate
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LiLi33POPO44
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aluminum nitratealuminum nitrate
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Al(NOAl(NO33))33
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Pb(NOPb(NO33))22
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lead(II) nitratelead(II) nitrate
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nitrogen triiodidenitrogen triiodide
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NINI33
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sodium sulfidesodium sulfide
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NaNa22SS
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KK33POPO44
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potassium phosphatepotassium phosphate
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SrSOSrSO44
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strontium sulfatestrontium sulfate
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carbon tetrachloridecarbon tetrachloride
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CClCCl44
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barium hydroxidebarium hydroxide
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Ba(OH)Ba(OH)22
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BBrBBr33
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boron tribromideboron tribromide
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nickel (III) carbonatenickel (III) carbonate
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NiNi22(CO(CO33))33
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zinc oxidezinc oxide
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ZnOZnO
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RbHRbH
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rubidium hydriderubidium hydride