Modem 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

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


7.
Which element belongs to the f-block?
A.
Fe
B.
Ce
C.
Na
D.
Sn
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ANSWER :
B. Ce
8.
Across a period, atomic size:
A.
Increases
B.
Decreases
C.
First increases then decreases
D.
Remains same
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ANSWER :
B. Decreases
9.
Which group element has the largest atomic radius in a period?

NEET - 2017

A.
Alkali metals
B.
Halogens
C.
Noble gases
D.
Transition metals
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ANSWER :
A. Alkali metals
10.

Which of the following has the largest ionic radius?

NEET - 2020

A.

Na+

B.

Mg2+

C.

Al3+

D.

O2−

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ANSWER :

D. O2−

11.
Which element is a representative element?
A.
Cu
B.
Cr
C.
Mg
D.
Fe
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ANSWER :
C. Mg
12.
Down a group, atomic size:
A.
Decreases
B.
First increases then decreases
C.
Increases
D.
Remains same
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ANSWER :
C. Increases