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प्रश्न
For writing a chemical formula – ‘symbols’ and combining capacity of an element with hydrogen i.e. ‘valency’ should be known. Explain the term – combining the capacity of an element i.e. valency.
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उत्तर
The combining power of an element especially as measured by the number of hydrogen atoms can combine or displace with the element.
संबंधित प्रश्न
What is the significance of the symbol of an element ? Explain with the help of an example.
If the symbol for Cobalt, Co, were written as CO, what would be wrong with it?
Give two examples of the following:
Liquid + Liquid mixture:
Give the symbol of the following element:
Aluminium
State the type of element for the following:
Radon
State the type of element for the following:
Bromine
State the valency of the following metallic element and write symbol with the valency
Sodium
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).
Bromide
What does the symbol '(aq.)' present in a chemical equation, mean?
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
