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Can you finish secret agent beakers task to save your planet?

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Can you finish secret agent beakers task to save your planet?. There are rules for naming!!. When Metals combine with non metals Metal loose one or more electron (becomes cation Ex: Mg2 +) Non metal gains one or more electrons (becomes anion Cl - ) These are called binary compounds

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Presentation Transcript
slide3
When Metals combine with non metals
    • Metal loose one or more electron (becomes cation Ex: Mg2+)
    • Non metal gains one or more electrons

(becomes anion Cl-)

  • These are called binary compounds
  • Cations are always named first
  • Anions are always second
  • Have an ide ending
  • Ex” NaCl Sodium Chloride
when naming ionic compounds with transition metals
When naming Ionic compounds with Transition metals
  • When metals form more than one ion there are different rules(Transition Metals)
  • Ex Pb forms Pb2+ and Pb4+
  • We must distinguish what type of Lead we are talking about
  • Scientists use a roman numeral to distinguish what type of a metal is being used
how do you know the type of lead being used
How do you know the type of Lead being used?
  • You must examine how the ions combined
  • All Compounds are neutral so in PbO2 the Pb ions must balance the O2- ions.
  • It must be Pb(IV) because there are 2 O ions (from 2 subscript).
  • Thus PbO2 is called Lead(IV)Oxide
name the following
Name the following
  • PbBr2
  • PbBr4
  • LiCl
  • MgO

Lead(II)Bromide

Lead(IV)Bromide

Lithium Chloride

Magnesium Oxide

what about those crazy polyatomic ions
What about those crazy Polyatomic Ions?
  • Polyatomic ions are ions that are composed of more than one element
  • Together they contain a charge
  • Ex- OH-= Hydroxide has a charge of -1
  • NH4+ = Ammonium has a charge of +1
  • SO42-= Sulfate and has a charge of -2
there are rules for naming these as well
There are rules for naming these as well
  • YOU MUST LEARN TO RECOGNIZE POLYATOMIC IONS
  • Similar to rules for naming binary ionic compounds
  • Cation first then anion, but no ide
  • Ex: NaOH= Sodium Hydroxide
  • Must distinguish what type of metal it contains
  • Ex Fe(NO3)3 = Iron(III)Nitrate
  • When writing polyatomics you must put use parenthesis to determine HOW MANY of each poly atomic.
slide9
Name the following
  • Cu(NO3)2, PbCO3, NH4I NaCN
  • Copper(II) Nitrate, Lead(II) Carbonate, Ammonium Iodide, Sodium Cyanide
compounds that contain non metals molecules
Compounds that contain non metals(molecules)
  • There are different rules when a compounds contains only nonmetals
  • Ex: B,C,N,O,F,
  • The first element in the formula is named first,and the full element name is used
  • The second element is named as though it were an anion
  • Prefixes are used to tell the number of atoms present
slide11
Prefixes are
  • Mono-1
  • Di-2
  • Tri-3
  • Tetra-4
  • Penta-5
  • Hexa-6
  • Hepta-7
  • Octa- 8
  • Note, mono is not used when describing the first atom
slide12
Ex:
  • CO2
  • Name is Carbon dioxide
  • N3O5
  • Name is trinitrogenpentoxide
  • PCl3
  • Name is Phosphorous trichloride
slide13
Try These
  • I2O7, CF4,IF5
  • Diiodineheptoxide, Carbon tetrafluoride, Iodine pentafluoride
slide14
Name the following
    • BF3, NaCl, CCl4, FeS, AlBr3,N2O5, CuCl Na2SO4, KI

Boron trifluoride, Sodium Chloride, Carbon tetrachloride, Iron(II) Sulfide, Aluminum bromide dinitrogen pentoxide,, Copper(I)Chloride, Sodium Sulfate, Potassium Iodide

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