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प्रश्न
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Chloride
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उत्तर
The valency of metal M is 3. So, the formulae are as follows:
Chloride - MCl3
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संबंधित प्रश्न
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
A student wants to have 3.011 × 1023 atoms each of magnesium and carbon elements. For this purpose, he will have to weigh :
Fill in the blank:
Symbol represents _____ atom(s) of an element.
Match the symbols of metallic elements – with their correct combining power or capacity.
(a) K
(b) Zn
(c) Al
(d) Na
(e) Ca
Combining power or capacity – A : 3 ; B : 2 ; C : 1. (positive valencies)
Give the symbol of the following element:
Antimony
State the type of element for the following:
Oxygen
State the type of element for the following:
Arsenic
Give the symbol of the following element:
Sulphite
Write the radical of the following valency:
Oxygen
Write the symbols for the following elements.
- Oxygen
- Gold
- Calcium
- Cadmium
- Iron
