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प्रश्न
Write the chemical formula of the following:
calcium carbonate
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उत्तर
CaCO3
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संबंधित प्रश्न
The scientist who proposed the first letter (or first letter and another letter) of the Latin or English name of
an element as its symbol, was :
What do the following symbol stand for?
2H
Give the formula of the following acid:
Carbonic
Define the term ‘valency’.
Give a reason – Magnesium [2, 8, 2] has valency 2+.
State the valency of the following metallic element and write symbol with the valency
Potassium
Name three metals whose symbols are derived: from their Latin names.
What does the symbol '(g)' present in a chemical equation, mean?
Write the symbols for the following elements and classify them as solid, liquid and gas. Aluminum, Carbon, Chlorine, Mercury, Hydrogen and Helium
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
