Classification Of Elements And Periodicity In Properties

Chemistry
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Diagonal relationship is shown by :

A
elements of first period
B
elements of second period
C
elements of third period
D
elements of fourth period
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The atomic number of element Unq is:

A
B
C
D
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The magnitude of electron affinity depends upon :

A
atomic radius
B
polarising power
C
ionization potential
D
the nuclear charge
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If an element X is placed in group 14, the formula its chloride is:

A
B
C
D
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Which of the following compound has no existence?

A
B
C
D
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