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प्रश्न
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of its
Acetate
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उत्तर
The valency of metal M is 3. So, the formulae are as follows:
Acetate - M(CH3COO)3
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संबंधित प्रश्न
The Latin language name of an element is natrium. The English name of this element is :
The English name of an element is potassium, its Latin name will be :
Why is the symbol S for sulphur, but Na for sodium and Si for silicon?
An atom of an element is denoted by a “symbol” Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Helium by ‘He’
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
State which element exists in the highest percentage in human body.
Give the symbol of the following element:
Carbonate
Give the formula of the following gas:
Sulphur dioxide
Antimony has the highest tensile strength.
Which letter is never used in any element symbol?
