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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 full form of IUPAC. Name the elements represented by the following symbols:
Au, Pb, Sn, Hg
What do the following symbol stand for?
H2
Match the symbols of non-metallic elements with their correct combining power or capacity.
(a) O
(b) S
(c) Cl
Combining power or capacity A : 3; B : 2; C : 1. (negative valencies)
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Na1+ Cl1-
State the type of element for the following:
Calcium
State the type of element for the following:
Silicon
Give the formula of the following acid:
Nitric
State a reason why the symbol of calcium is ‘Ca’ and of copper is ‘Cu’
What does the symbol '(aq.)' present in a chemical equation, mean?
What is the significance of the symbol of an element?
