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प्रश्न
State the valency of the following metallic element and write symbol with the valency
Potassium
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उत्तर
Metals have positive valency 1, 2 or 3,
| Element | Symbol | Valency |
| Potassium | \[\ce{K}\] | \[\ce{K^1+}\] |
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संबंधित प्रश्न
A student wants to have 3.011 × 1023 atoms each of magnesium and carbon elements. For this purpose, he will have to weigh :
Match the symbols of non-metallic elements with their correct combining power or capacity.
(a) O
(b) S
(c) Cl
Combining power or capacity A : 3; B : 2; C : 1. (negative valencies)
Give the symbol of the following element:
Calcium
State the type of element for the following:
Sulphur
State what is meant by the term ‘activity series of metals’.
Give the symbol of the following element:
Sulphate
Give the formula of the following acid:
Sulphuric
Give the formula of the following acid:
Carbonic
State why the molecular formula of zinc carbonate is ZnCO3 .
Define Alchemy.
