Symbols Of Selected Ions & The Periodic Table Of Elements
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1
2SYMBOLS OF SELECTED IONS
Positive ions
Negative ions
Name
Symbol
Name
Symbol
2
Ammonium
NH
Carbonate
CO
4
3
2
3
Chromium(III)
Cr
Dichromate
Cr
O
DATA LEAFLET
2
7
2
Copper(II)
Cu
Ethanoate
CH
COO
3
Iron(II)
2
Hydrogen carbonate
Fe
HCO
3
Iron(III)
3
Hydroxide
Fe
OH
For the use of candidates taking
Science: Chemistry,
Lead(II)
2
Methanoate
Pb
HCOO
Science: Double Award
Silver
Ag
Nitrate
NO
or Science: Single Award
3
2
Zinc
2
Sulfate
SO
Zn
4
2
Sulfite
SO
3
Copies must be free from notes or additions of any
kind. No other type of data booklet or information
SOLUBILITY IN COLD WATER OF COMMON SALTS, HYDROXIDES AND OXIDES
sheet is authorised for use in the examinations.
Soluble
All sodium, potassium and ammonium salts
Contents
Page
All nitrates
Periodic Table of the Elements
2-3
Most chlorides, bromides and iodides
EXCEPT
Symbols of Selected Ions
4
silver and lead chlorides, bromides and iodides
gcse
Solubility of Common Salts
4
Most sulfates EXCEPT lead and barium sulfates
Calcium sulfate is slightly soluble
Insoluble
Most carbonates
EXCEPT
sodium, potassium and ammonium carbonates
Most hydroxides
EXCEPT
sodium, potassium and ammonium hydroxides
chemistry
Most oxides
EXCEPT
sodium, potassium and calcium oxides which react with water
double award
single award
CCEA/FO/2184/01
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