Periodic Table Online Test

which is the shortest period in periodic table?

2nd group is also known as?

which one of the following has longest radii?

which element is most electro negative

for noble gas eletron gain enthalpy is-

which bolck elements are called transition elements?

group seven a elements are called

how many group are present in modern periodic table?

which is the incomplete period?

first inert gas discovered was?


questions related on classification of elements in periodic table.

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Periodic Table-2
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