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प्रश्न
Fill in the blank:
Symbolic expression for a molecule is called _____.
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उत्तर
Symbolic expression for a molecule is called molecular formula.
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संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
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.
Explain the significance of the symbol H.
Give the symbol of the following element:
Copper
State the type of element for the following:
Neon
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).
Nitrate
What does the symbol '⇌' present in a chemical equation, mean?
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
The name copper was taken from ______.
The first letter of a symbol is always written as a ______ letter and the second letter as a ______ letter.
