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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.
Mercury
write symbol with the variable valency
उत्तर
Mercury exhibits valency 1 and 2
| \[\ce{Hg^{1+}}\] | \[\ce{Hg^{2+}}\] |
| Mercurous | Mercuric |
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संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
Give the names and symbols of the first twenty elements of the periodic table.
Select the correct answer from the choice given below.
The type of element-phosphorus
Give the symbol of the following element:
Neon
Give the symbol of the following element:
Xenon
State the type of element for the following:
Arsenic
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).
Carbonate
Define Alchemy.
In the same way in chemistry, each element is denoted by a ______.
Write a note on Greem symbols.
