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


1.
The general outer electronic configuration of s-block elements is:
A.
ns¹⁻²
B.
(n-2)f¹⁻¹⁴(n-1)d⁰⁻¹ns²
C.
(n-1)d¹⁻¹⁰ns⁰⁻²
D.
ns²np¹⁻⁶
😑 View Answer Rough Work Error
ANSWER :
A. ns¹⁻²
2.
Which of the following is NOT a characteristic of s-block elements?
A.
They lose outermost electron(s) readily to form cations
B.
Metallic character increases down the group
C.
They form predominantly covalent compounds
D.
They are reactive metals with low ionization enthalpies
😑 View Answer Rough Work Error
ANSWER :
C. They form predominantly covalent compounds
3.
The exception in the s-block where the element is placed in p-block is:
A.
Lithium
B.
Beryllium
C.
Hydrogen
D.
Helium
😑 View Answer Rough Work Error
ANSWER :
D. Helium
4.
Which alkali metal has the electronic configuration [Kr]5s¹?
A.
Potassium
B.
Cesium
C.
Rubidium
D.
Francium
😑 View Answer Rough Work Error
ANSWER :
C. Rubidium
5.
Lithium and beryllium show diagonal relationship with which elements respectively?
A.
Sodium and Magnesium
B.
Magnesium and Aluminium
C.
Aluminium and Silicon
D.
Boron and Carbon
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ANSWER :
B. Magnesium and Aluminium
6.
The general outer electronic configuration of p-block elements is:
A.
ns²np¹⁻⁶
B.
ns¹⁻²
C.
(n-1)d¹⁻¹⁰ns⁰⁻²
D.
(n-2)f¹⁻¹⁴ns²
😑 View Answer Rough Work Error
ANSWER :
A. ns²np¹⁻⁶