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प्रश्न
Select the correct answer from the choice given below.
The symbol of mercury is
पर्याय
Mg
Hg
Ag
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उत्तर
Hg
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 ?
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
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’
State which element exists in the highest percentage in earth’s crust.
Give the symbol of the following element:
Sodium
State the type of element for the following:
Radon
Write the chemical formula of the following:
Sodium bromide
Write the chemical formula of the following:
calcium sulphide
Give the formula of the following gas:
Ammonia
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
