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प्रश्न
Write the symbols of helium, silver, krypton, antimony, barium.
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उत्तर
| Element | Symbol |
| Helium | He |
| Silver | Ag |
| Krypton | Kr |
| Antimony | Sb |
| Barium | Ba |
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संबंधित प्रश्न
Name the element used as a standard for atomic mass scale.
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Chloride
Give the symbol of the following element:
Antimony
State the most reactive and the least reactive metal from the following – Zn, Ag, Na, Fe, Cu, Pb.
Write the chemical formula of the following:
zinc oxide
Give the formula of the following acid:
Nitric
Give the formula of the following gas:
Nitric oxide
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).
Iodide
Name the elements with the following symbols.
- Na
- W
- Ba
- Al
- U
