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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.
विकल्प
Chalk
Oxygen
Silicon
Bromine
Nitrous oxide
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उत्तर
Oxygen
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संबंधित प्रश्न
Give two symbols which have been derived from the " Latin names" of the elements.
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Chloride
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
State the type of element for the following:
Chlorine
Write the radical of the following valency:
magnesium
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).
Bicarbonate
Name three metals whose symbols are derived from the first letter of the name of the element.
What does the symbol '(aq.)' present in a chemical equation, mean?
______ of some elements are derived from Latin or Greek names of the elements.
Which of the following would weigh the highest?
