Classification of Elements and Periodicity in Properties Test

Result

Classification of Elements and Periodicity in Properties Test - 14

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Weekly Quiz Competition

Question 1
4 / -1

The hydride ion is isoelectronic with

A
Li

B
He⁺

C
He

D
Be
Question 2
4 / -1

Arrange the following in increasing order of their atomic radii : Na , K, Mg, Rb?

A
Mg < K < Na < Rb

B
Mg < Na < K < Rb

C
Mg < Na < Rb < K

D
Na < K < Rb < Mg
Question 3
4 / -1

Mercury is the only metal which is liquid at 0^o C. This is due to its?

A
Very high ionization energy and weak metallic bond

B
Low ionization potential

C
High atomic weight

D
High vapour pressure
Question 4
4 / -1

The electronic configuration of an element is 1s² 2 s² 2 p⁶ 3 s² 3 p³. What is the atomic number of the element which is just- below the above element in the periodic table?

A
33

B
34

C
31

D
49
Question 5
4 / -1

The most electron affinity elements is ?

A
F

B
Cl

C
Br

D
I
Question 6
4 / -1

The correct order of second ionization 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

Solution
Question 7
4 / -1

Of the following, the ion with the smallest ionic radius is

A
K⁺

B
Ca²⁺

C
Al³⁺

D
Ti⁴⁺
Question 8
4 / -1

A transition element X has the configuration [Ar]d⁴ in its +3 oxidation state. Its atomic number is

A
25

B
26

C
22

D
19
Question 9
4 / -1

Which of the following is largest?

A
Cl^‒

B
S^2‒

C
Na⁺

D
F^‒
Question 10
4 / -1

The general electronic configuration of transition elements is exhibited by

A

B

C

D