Polyatomic Ions Charges – Flashcards

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Monatomic Ions (use the periodic table)
Positive charge
(all have same name as neutral atom)
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+1
+2
+3
+4
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+1 Charge Monatiomic Ions
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H    Hydrogen

Li   Lithium

Na  Sodium

K    Potassium

Rb  Rubidium

Cs  Cesium

Fr   Francium

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+2 Charge Monatiomic Ions
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Be    Beryllium

Mg    Magnesium

Ca    Calcium

Sr     Strontium

Ba    Barium

Ra    Radium

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+3 Charge Monatiomic Ion
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B     Boron

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+4 Charge Monatiomic Ions
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C     Carbon

Si    Silicon

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Negative Charge

Monatomic Ions

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-1

-2

-3

-4

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-1 Charge Monatomic Ions
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F     Fluoride

Cl    Chloride

Br    Bromide

I      Iodide

At    Astatide

H     Hydride

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-2 Charge
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O     Oxide

S      Sulfide

Se    Selenide

Te    Telluride

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-3 Charge
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N     Nitride

P     Phosphide

As    Arsenide

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-4 charge
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C    Carbide

Si     Silicide

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Multiple Charged Monatomic Ions
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Cu+1    Copper(I)

Cu+2    Copper(II)

 

Sn+2    Tin(II)

Sn+4    Tin(IV)

 

Fe+2     Iron(II)

Fe+3     Iron(III)

 

Hg2+2     Mercury(I)

Hg+2      Mercury(II)

 

Pb+2     Lead(II)

Pb+4     Lead(IV)

 

Ch+2     Chromium(II)

Ch+3     Chromium(III)

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constant charge transition metals

(roman Numerals not used)

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Ag+1     Silver

Al+3       Aluminum

Cd+2      Cadmium

Zn+2      Zinc

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Polyatomic Ions

Positive Charge

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NH4+1     ammonium

H3O+1     hydronium

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Polyatomic Ions

Negative 1 charge

(-1)

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C2H302   acetate

BrO3      bromate

ClO       hypochlorite

ClO2     chlorite

ClO3     chlorate

ClO4     perchlorate

NO2     nitrite

NO3     nitrate

OH      hydroxide

MnO4    permanganate

HCO3    hydrogen carbonate (bicarbonate)

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Polyatomic Ions

Negative 2 charge

(-2)

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CO3     carbonate

CrO4    chromate

Cr2O7   dichromate

C2O4    oxalate

O2       peroxide

SO4     sulfate

SO3     sulfite

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Polyatomic Ions

Negative 3 charge

(-3)

answer

PO4     phosphate

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