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प्रश्न
State which element exists in the highest percentage in human body.
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उत्तर
Oxygen (O) – 65%
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संबंधित प्रश्न
Define: Elements-
Why is the symbol S for sulphur, but Na for sodium and Si for silicon?
State the type of element for the following:
Mercury
Give the formula of the following acid:
Hydrochloric
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Iron
write symbol with the variable valency
Write the symbols for the following elements and classify them as solid, liquid and gas. Aluminum, Carbon, Chlorine, Mercury, Hydrogen and Helium
Symbol of mercury is
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
The first letter of a symbol is always written as a ______ letter and the second letter as a ______ letter.
Antimony has the highest tensile strength.
