the seven basic molecules
DESCRIPTION
Instructive Power Point about the Seven Basic Types of Inorganic Molecules. Very important considering our final examTRANSCRIPT
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THE SEVEN BASIC MOLECULES
INORGANIC CHEMISTRY
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HOW DO WE RECOGNIZE THEM
• Metals and Non-MetalsSALTS
• Starts with H always. Then Non-MetalACIDS
• Metals and OHHYDROXIDES
• Metals and Oxygen onlyMETAL OXIDES
• Non-Metals and OxygenNON-METAL OXIDES
• Metal and HydrogenMETAL HYDRIDES
• Non-Metal and HydrogenNON-METAL HYDRIDES
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ACIDS
OXACID
• THEY HAVE OXYGEN
HYDRACID
• THEY HAVE NO OXYGEN
H2SO4
HBr
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Non Metals
C N O S
H P B F
Br I Cl He
Ar Ne Kr Rd
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Metals
K Li Ca Rb
Cs Mg Fe Mg
Mn Cu Au Ag
Ti Hg Ba Cr
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SALTS
METALS NON-
METALS
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EXAMPLES (Formula and Name)
•Sodium ChlorideNaCl
•Potassium SulfideK2S
•Calcium FluorideCaF2
•Lithium BromideLiBr
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Rule:
Metals are writen first, because theyare the less eletronegative. Name
with no changes
Non-Metals are writen after. Mames with the sufix «ide» instead of the
original
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Molecules
Formula Name
NaCl
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ACIDS
NON-METALS
HYDROGEN OXYGEN
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FORMATION
NON-METAL
OXYGEN WATER
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HALOGENS FORM ACIDS STRAIGHT
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EXAMPLES (Formula and Name)
•Phosphoric AcidH3PO4
•Sulfuric AcidH2SO4
•Nitric AcidHNO3
•Carbonic AcidH2CO3
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HYDROXIDES
METAL OXYGEN HYDROGEN
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FORMATION
METAL OXYGEN WATER
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EXAMPLES (Formula and Name)
•Sodium HydroxideNaOH
•Calcium HydroxideCa(OH)2
•Magnessium HydroxideMg(OH)2
•Lithium HydroxideLiOH
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METAL OXIDES
METAL OXYGEN
CaOCALCIUM OXIDE
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NON-METAL OXIDES
NON METAL
OXYGEN
NO2NITROGEN OXIDE (IV)
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METAL HYDRIDES
METAL HYDROGEN
NaHSODIUM HYDRIDE
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NON-METAL HYDRIDES
NON-METAL
HYDROGEN
NH3NITROGEN HYDRIDE (III)
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Crossing valences procedure
Na O+1 -2
Na2OSODIUM OXIDE
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Ca O+2 -2
CaOCALCIUM OXIDE
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Fe O+3 -2
Fe2O3
IRON OXIDE (III)
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Fe O+2 -2
FeOIRON OXIDE (II)