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(a) What is the significance of the symbol of an element? Explain with the help of an example.(b) Explain the significance of the symbol H.
(a) The symbol of an element is a short form used to represent individual elements or the atoms of the elements.
Given are the significant points of using a symbol to designate an element:
- The symbol represents the name of the element. For example, the symbol O refers to the element oxygen.
- The symbol represents one atom of the element. For example, the symbol O denotes one atom of the element oxygen.
- Using the symbol of an element refers to one mole of atoms of that element; therefore, the symbol of an element represents 6.022 × 1023 atoms. For example, the symbol O represents one mole of oxygen i.e. 6.022 × 1023 atoms.
- Symbols of different elements represent a definite mass of those elements which is equal to gram atomic mass. For example, the symbol O refers to 1 gram atomic mass of oxygen.
(b) The significance of symbol H is given below:
- The symbol H refers to the element hydrogen.
- The symbol H refers to one atom of hydrogen.
- The symbol H refers to one mole of hydrogen i.e. 6.022 × 1023 atoms.
- The symbol H refers to a 1 gram atomic mass of hydrogen.
Updated on: 10-Oct-2022
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