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प्रश्न
Give the symbol of the following element:
Potassium
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उत्तर
| Name | Symbol |
| Potassium | K |
संबंधित प्रश्न
Why is the symbol S for sulphur, but Na for sodium and Si for silicon?
For writing a chemical formula – ‘symbols’ and combining capacity of an element with hydrogen i.e. ‘valency’ should be known. Explain the term – combining the capacity of an element i.e. valency.
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
Write the chemical formula of the following:
magnesium sulphate
Give the formula of the following gas:
Nitrogen dioxide
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
Name three metals whose symbols are derived from the first letter of the name of the element.
What does the symbol '(s)' present in a chemical equation, mean?
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
