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प्रश्न
Give the symbol of the following element:
Oxygen
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उत्तर
| Name | Symbol |
| Oxygen | O |
संबंधित प्रश्न
Write the names of following elements Na, C, Kr, U, Ra, Fe, Co.
The symbol of a metal element which is used in making thermometers is :
The English name of an element is potassium, its Latin name will be :
Out of ozone, phosphorus, sulphur and krypton, the elements having the lowest and highest atomicities are respectively :
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
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 |
Give the symbol of the following element:
Antimony
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).
Aluminate
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).
Permanganate
What is the rarest natural element on the earth?
