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प्रश्न
State which element exists in the highest percentage in human body.
उत्तर
Oxygen (O) – 65%
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संबंधित प्रश्न
The Latin language name of an element is natrium. The English name of this element is :
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Na1+ Cl1-
State the type of element for the following:
Phosphorus
Give the symbol of the following element:
Phosphate
Write the radical of the following valency:
Zinc
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
______ of some elements are derived from Latin or Greek names of the elements.
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
What is the expansion of IUPAC.
What is the rarest natural element on the earth?
