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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 scientist who proposed the first letter (or first letter and another letter) of the Latin or English name of
an element as its symbol, was :
How are the elements with variable valency named? Explain with an example.
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 the type of element for the following:
Platinum
Give the formula of the following gas:
Hydrogen chloride
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
Name the following:
An acid whose formula is ‘H2CO3’.
Define the term ‘valency’.
State the valency of the following metallic element and write symbol with the valency
Calcium
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt and O; the element which forms a polyatomic molecule is ________ and which is liquid at room temperature is ________.
