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प्रश्न
Give two symbols which have been derived from the "English names" of the elements.
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उत्तर
Two examples of symbols which have been derived from the “English names” of their respective elements: Sulphur – S and Aluminium – Al.
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संबंधित प्रश्न
Match the noble gases – with their correct symbols:
| Noble gases | Symbols |
| (a) Helium | (1) Ar |
| (b) Neon | (2) Xe |
| (c) Argon | (3) Rn |
| (d) Krypton | (4) He |
| (e) Xenon | (5) Kr |
| (f) Radon | (6) Ne |
In the chemical word equation –
Zinc + Sulphuric acid → Zinc sulphate + Hydrogen.
State the reactants and products of the above reaction. What does the arrow indicate?
State which element exists in the highest percentage in human body.
Give the symbol of the following element:
Oxygen
State the type of element for the following:
Arsenic
State the type of element for the following:
Phosphorus
Give the symbol of the following element:
Phosphate
Write the chemical formula of the following:
zinc oxide
Give the formula of the following gas:
Nitrogen
Write the symbols for the following elements and classify them as solid, liquid and gas. Aluminum, Carbon, Chlorine, Mercury, Hydrogen and Helium
