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प्रश्न
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
पर्याय
Chalk
Oxygen
Silicon
Bromine
Nitrous oxide
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उत्तर
Oxygen
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संबंधित प्रश्न
Write true or false
Milk is an emulsion.
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Give the symbol of the following element:
Calcium
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State the valency of the following metallic element and write symbol with the valency
Calcium
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).
Oxide
Name three metals whose symbols are derived: from their Latin names.
What does the symbol '⇌' present in a chemical equation, mean?
In the same way in chemistry, each element is denoted by a ______.
Antimony has the highest tensile strength.
