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Questions and Answers
What is the formula of the Hydrogen ion?
What is the formula of the Hydrogen ion?
- H2+
- H+ (correct)
- H3+
- H-
Which of the following is a positive ion (cation)?
Which of the following is a positive ion (cation)?
- Ag+ (correct)
- I-
- Cl-
- O²-
What is the charge of the Calcium ion?
What is the charge of the Calcium ion?
- +2 (correct)
- +1
- +4
- +3
What is the formula of the Zinc ion?
What is the formula of the Zinc ion?
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What is the formula of the Aluminium ion?
What is the formula of the Aluminium ion?
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Study Notes
Positive Ions (Cations)
- Hydrogen ion is represented by the formula H+
- Sodium ion is represented by the formula Na+
- Silver ion is represented by the formula Ag+
- Potassium ion is represented by the formula K+
- Lithium ion is represented by the formula Li+
- Ammonium ion is represented by the formula NH4+
- Barium ion is represented by the formula Ba²+
- Calcium ion is represented by the formula Ca²+
- Magnesium ion is represented by the formula Mg2+
- Copper(II) ion is represented by the formula Cu2+
- Zinc ion is represented by the formula Zn2+
- Iron(II) ion is represented by the formula Fe2+
- Iron(III) ion is represented by the formula Fe3+
- Aluminium ion is represented by the formula Al3+
- Lead ion is represented by the formula Pb2+
Negative Ions (Anions)
- Chloride ion is represented by the formula Cl-
- Bromide ion is represented by the formula Br-
- Fluoride ion is represented by the formula F-
- Iodide ion is represented by the formula I-
- Hydroxide ion is represented by the formula ОН-
- Nitrate ion is represented by the formula NO3-
- Oxide ion is represented by the formula O²-
- Sulphide ion is represented by the formula S²-
- Sulphate ion is represented by the formula SO42-
- Carbonate ion is represented by the formula CO3²-
- Hydrogencarbonate ion is represented by the formula HCO3-
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