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प्रश्न
Write the symbols for the following elements and classify them as solid, liquid and gas. Aluminum, Carbon, Chlorine, Mercury, Hydrogen and Helium
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उत्तर
| Element | Symbol | Classification |
| Aluminum | Al | Solid |
| Carbon | C | Solid |
| Chlorine | Cl | Gas |
| Mercury | Hg | Liquid |
| Hydrogen | H | Gas |
| Helium | He | Gas |
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संबंधित प्रश्न
Define: Elements-
The atoms of which of the following pair of elements are most likely to exist in free state ?
Fill in the blank:
Symbol represents _____ atom(s) of an element.
Give a reason why elements are tabulated in a table called the ‘Periodic table’.
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
In the chemical word equation – Zinc + Sulphuric acid → Zinc sulphate + Hydrogen
The molecular equation is :
Zn + H2SO4 → ZnSO4 + H2[g].
State what [g] represents.
Give the symbol of the following element:
Lead
Give the symbol of the following element:
Phosphorus
Give the formula of the following gas:
Nitrous oxide
What is the expansion of IUPAC.
