Modern Periodic Law and Present Form of the Periodic Table (s, p. d and f block elements,...) NEET Questions

Inorganic Chemistry - Classification of Elements and Periodicity in Properties

Modern Periodic Law and Present Form of the Periodic Table (s, p. d and f block elements,...) MCQ Questions


13.
In the same period, which is the smallest atom?
A.
Na
B.
Mg
C.
Al
D.
Cl
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ANSWER :
D. Cl
14.
In the modern periodic table, elements are arranged in the order of:

NEET - 2015

A.
Increasing atomic mass
B.
Increasing atomic number
C.
Increasing valency
D.
None of these
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ANSWER :
B. Increasing atomic number
15.
Which is true for transition elements?
A.
They have incomplete p-subshells
B.
They form colored ions
C.
They are inert
D.
They have filled d-subshells
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ANSWER :
B. They form colored ions
16.
Ionic radius increases with:
A.
Increasing nuclear charge
B.
Decreasing electrons
C.
Increase in negative charge
D.
None
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ANSWER :
C. Increase in negative charge
17.

Which one has the least size?

A.

N3−

B.

O2−

C.

F−

D.

Ne

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ANSWER :

D. Ne

18.
Which element among the following belongs to the d-block?

NEET - 2016

A.
Ca
B.
Na
C.
Fe
D.
He
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ANSWER :
C. Fe