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Questions and Answers
The ion with valency 1+ and represented as H+ is known as ______.
The ion with valency 1+ and represented as H+ is known as ______.
Hydrogen
The ion represented as Ca2+ has a valency of ______.
The ion represented as Ca2+ has a valency of ______.
2+
The element with the symbol Al and a valency of 3+ is called ______.
The element with the symbol Al and a valency of 3+ is called ______.
Aluminium
The ion with valency 2- represented as SO42- is known as ______.
The ion with valency 2- represented as SO42- is known as ______.
Cuprous refers to Copper with a valency of ______.
Cuprous refers to Copper with a valency of ______.
The ion Cl- is referred to as ______.
The ion Cl- is referred to as ______.
The ion represented as MnO42- is called ______.
The ion represented as MnO42- is called ______.
The ion represented as Pb2+ is known as ______.
The ion represented as Pb2+ is known as ______.
The anion with a valency of 3- and denoted as N3- is known as ______.
The anion with a valency of 3- and denoted as N3- is known as ______.
The ion with the formula OH- is referred to as ______.
The ion with the formula OH- is referred to as ______.
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Study Notes
Valency Chart for Electropositive Ions or Radicals
- Ions with a valency of 1+ include Hydrogen (H+), Ammonium (NH4+), Lithium (Li+), Sodium (Na+), and Potassium (K+).
- Ions with a valency of 2+ include Magnesium (Mg2+), Calcium (Ca2+), Zinc (Zn2+), Barium (Ba2+), and Nickel (Ni2+).
- Ions with a valency of 3+ consist of Aluminium (Al3+) and Chromium (Cr3+).
Variable Valency
- Cuprous (Copper I) has a valency of 1+ (Cu+), while Plumbous (Lead II) and Stannous (Tin II) have a valency of 2+ (Pb2+, Sn2+ respectively).
- Cupric (Copper II), Argentic (Silver II), Mercuric (Mercury II), Ferrous (Iron II), Platinous (Platinum II), and Manganous (Manganese II) all have a valency of 2+.
- Stannic (Tin IV), Plumbic (Lead IV), Platinic (Platinum IV), and Manganic (Manganese IV) exhibit a valency of 4+.
Valency Chart for Electronegative Ions or Radicals
- Ions with a valency of 1- include Fluoride (F-), Chloride (Cl-), Bromide (Br-), Iodide (I-), and several others like Hypochlorite (ClO-) and Nitrate (NO3-).
- Ions with a valency of 2- consist of Sulphate (SO4²-), Zincate (ZnO2²-), Oxide (O²-), and others including Carbonate (CO3²-).
- Ions with a valency of 3- include Nitride (N3-), Phosphide (P3-), Phosphite (PO3³-), and Phosphate (PO4³-).
- Carbide (C4-) is an example of an ion with a valency of 4-.
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