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प्रश्न
Out of ozone, phosphorus, sulphur and krypton, the elements having the lowest and highest atomicities are respectively :
पर्याय
sulphur and krypton
krypton and ozone
phosphorus and sulphur
krypton and sulphur
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उत्तर
krypton and sulphur
Out of ozone, phosphorus, sulphur and krypton, krypton has the lowest atomicity and sulphur the highest .
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संबंधित प्रश्न
Write the names of following elements Na, C, Kr, U, Ra, Fe, Co.
Which particular atom of the above element is used for this purpose ?
Why is the symbol S for sulphur, but Na for sodium and Si for silicon?
State which element exists in the highest percentage in atmosphere.
Elements are mainly classified into metals and non-metals. State six properties of metals which differ from non-metals.
Give the symbol of the following element:
Mercury
Write the radical of the following valency:
Carbonate
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).
Bromide
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
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
