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प्रश्न
Give the symbol of the following element:
Fluorine
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उत्तर
| Name | Symbol |
| Fluorine | F |
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संबंधित प्रश्न
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Magnetic separation
What do the following symbol stand for?
2H
State the type of element for the following:
Fluorine
State the type of element for the following:
Sodium
Select the correct answer from the choice in the bracket.
The formula of caustic soda.
Name the following:
An acid whose formula is ‘H2CO3’.
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Silver
write symbol with the variable valency
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).
Chloride
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).
Sulphide
Define Alchemy.
