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प्रश्न
Give the symbol and the number of atoms of the following elements present in zinc chloride.
उत्तर
Zinc Chloride ZnCl2
| Elements | Symbols |
| (Zinc) | Zn |
| [Chlorine (Chloride)] | Cl |
No. of atoms of this element present
1 atom of - Zn, 2 atoms of - Cl
संबंधित प्रश्न
Define: Elements-
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
Give two symbols which have been derived from the "English names" of the elements.
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Chloride
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.
Hydrogen by ‘H’
Give the symbol of the following element:
Nitrate
Give the symbol of the following element:
Hydroxide
Give the formula of the following gas:
Ammonia
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).
Bicarbonate
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
