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प्रश्न
Out of ozone, phosphorus, sulphur and krypton, the elements having the lowest and highest atomicities are respectively :
विकल्प
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 symbols of helium, silver, krypton, antimony, barium.
Fill in the blank:
Symbol represents _____ atom(s) of an element.
Give the symbol of the following element:
Carbon
Give the symbol of the following element:
Fluorine
Write the radical of the following valency:
Sulphate
Name the following:
An acid whose formula is ‘H2CO3’.
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Lead
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).
Bisulphate
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).
Sulphide
Name the elements with the following symbols.
- Na
- W
- Ba
- Al
- U
