Question

Match the atomic numbers of the elements given in column I with the periods given in column II and mark the appropriate choice.
Column I (Atomic number) Column (period)
a. 31 1. 5
b. 50 2. 3
c. 56 3. 4
d. 14 4. 6

A. a - 1, b - 2, c - 3, d - 4
B. a - 2, b - 1, c - 4, d - 3
C. a - 3, b - 4, c - 1, d - 2
D. a - 3, b - 1, c - 4, d - 2  
Answer :   a - 3, b - 1, c - 4, d - 2

Releted MCQ Question on
Inorganic Chemistry >> Classification of Elements and Periodicity in Properties

Releted Question 1

The correct order of second ionisation potential of carbon, nitrogen, oxygen and fluorine is

A. $$C > N > O > F$$
B. $$O > N > F > C$$
C. $$O > F > N > C$$
D. $$F > O > N > C$$
Releted Question 2

The element with the highest first ionization potential is

A. boron
B. carbon
C. nitrogen
D. oxygen
Releted Question 3

The first ionisation potential in electron volts of nitrogen and oxygen atoms are respectively given by

A. $$14.6,13.6\,$$
B. $$13.6,14.6$$
C. $$13.6,13.6$$
D. $$14.6,14.6$$
Releted Question 4

Atomic radii of fluorine and neon in $$\mathop {\text{A}}\limits^ \circ $$ngstorm units are respectively given by

A. $$0.72,1.60$$
B. $$1.60,1.60\,$$
C. $$0.72,0.72\,\,$$
D. None of these values

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Classification of Elements and Periodicity in Properties


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