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प्रश्न
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.
Copper by ‘Cu’
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उत्तर
Symbols: The short form or abbreviated name of the element (or radicals) The reason for representing the following element by their symbol is as follow:
Copper by ‘Cu’ – Deriving symbols from their Latin names
संबंधित प्रश्न
The symbols of the elements cobalt, aluminium, helium and sodium respectively written by a student are as
follows. Which symbol is the correct one ?
Two elements X and Y have valencies of 5 and 3, and 3 and 2, respectively. The elements X and Y are most likely to be respectively :
A student wants to have 3.011 × 1023 atoms each of magnesium and carbon elements. For this purpose, he will have to weigh :
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
Give the symbol of the following element:
Platinum
Give the symbol of the following element:
Aluminium
State the type of element for the following:
Zinc
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).
Sulphite
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
Write a note on Greem symbols.
