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Questions and Answers
What is the valency of Copper in its Monovalent form?
What is the valency of Copper in its Monovalent form?
Which of the following radicals has a Divalent valency?
Which of the following radicals has a Divalent valency?
What is the trivalent form of Nitrogen?
What is the trivalent form of Nitrogen?
Which element can exist in both divalent and tetravalent states?
Which element can exist in both divalent and tetravalent states?
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Which element has a monovalent valency in its common form?
Which element has a monovalent valency in its common form?
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Which of the following elements has a trivalent valency?
Which of the following elements has a trivalent valency?
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What is the valency of Ammonium in its common form?
What is the valency of Ammonium in its common form?
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Which radical has a divalent valency?
Which radical has a divalent valency?
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What is the common trivalent form of Iron?
What is the common trivalent form of Iron?
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Which of the following elements cannot exist in a divalent state?
Which of the following elements cannot exist in a divalent state?
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Which of the following metals is known to have variable valencies?
Which of the following metals is known to have variable valencies?
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What is the valency of hydroxide in its common form?
What is the valency of hydroxide in its common form?
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Study Notes
Valencies of Common Elements
- Monovalent: Potassium (K+), Sodium (Na+), Copper (I) (Cu+), Hydrogen (H+)
- Divalent: Calcium (Ca2+), Magnesium (Mg2+), Zinc (Zn2+), Copper (II) (Cu2+), Iron (II) (Fe2+), Lead (II) (Pb2+)
- Trivalent: Aluminium (Al3+), Iron (III) (Fe3+)
- Tetravalent: Lead (IV) (Pb4+)
Valencies of Radicals
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Monovalent: Ammonium (NH4+)
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Divalent: Carbonate (CO32-)
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Trivalent: Phosphate (PO43-)
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Other Radicals:
- Bicarbonate (HCO3-)
- Bisulphite (HSO3-)
- Bisulphate (HSO4-)
- Sulphate (SO42-)
- Sulphites (SO32-)
- Nitrate (NO3-)
- Hydroxide (OH-)
- Chlorine (Cl-)
- Bromine (Br-)
- Iodine (I-)
- Oxygen (O2-)
- Nitrogen (N3-)
- Sulphur (S2-)
- Carbon (C4+)
Variable Valencies of Elements
- Copper: Cu+, Cu2+
- Silver: Ag+, Ag2+
- Iron: Fe2+, Fe3+
- Lead: Pb2+, Pb4+
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Description
Explore the different valencies of common elements and radicals in this quiz. From monovalent to tetravalent, learn how these elements and compounds interact in chemical reactions. Ideal for chemistry students seeking to deepen their understanding of valency concepts.
