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प्रश्न
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Tin
write symbol with the variable valency
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उत्तर
Tin has variable valency 2 and 4
| \[\ce{Sn^{2+}}\] | \[\ce{Sn^{4+}}\] |
| Stanous | Stanic |
OR
| \[\ce{Sn[II]}\] | \[\ce{Sn[IV]}\] |
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संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
State which element exists in the highest percentage in atmosphere.
State the type of element for the following:
Radon
Write the radical of the following valency:
Sulphite
Write the chemical formula of the following:
calcium sulphide
Give the formula of the following gas:
Nitrous oxide
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Oxide
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Phosphate
The chemical symbol for sodium is
