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Chemical Bonding Online Exam Quiz

Important questions about Chemical Bonding. Chemical Bonding MCQ questions with answers. Chemical Bonding exam questions and answers for students and interviews.

Unit of electro negativity is


A : a. one

B : b. two

C : c. none

D : d. three

Ionization energies is influenced by nature of


A : a. orbital

B : b. nuclear

C : c. atom

D : d. electron

First ionization energy of carbon is


A : a. 1084

B : b. 1085

C : c. 1086

D : d. 1087

Value of radii of cation and anion is


A : a. c+ and c-

B : b. a+ and a-

C : c. r+ and r-

D : d. none

When atomic radius increases electron affinity


A : a. decreases

B : b. increases

C : c. neutral

D : d. no effect

Electro negativity of fluorine atom is more then


A : a. hydrogen

B : b. oxygen

C : c. nitrogen

D : d. carbon

From left to right in a period of periodic table proton number


A : a. decrease

B : b. neutral

C : c. increase

D : d. none

Ionic radius of Cl- ion increases from


A : a. 99pm to 181pm

B : b. 19pm to 81pm

C : c. 81pm to 99pm

D : d. 181pm to 199pm

Those elements which have intermediate values of ionization energies are mostly


A : a. metals

B : b. nonmetals

C : c. metalloids

D : d. magnet

Sign given to electron affinity is


A : a. positive

B : b. negative

C : c. neutral

D : d. no sign

A similar type of bond is expected between elements of group


A : a. IA and IIA

B : b. IIA and VIA

C : c. IIIA and VA

D : d. IA and IIIA

Electro negativity of potassium atom is


A : a. 0.7

B : b. 0.6

C : c. 0.8

D : d. 0.9

Atom which donates major share of its electrons in formation of HF is


A : a. fluorine

B : b. hydrogen

C : c. nitrogen

D : d. chlorine

Positive charge holds electrons more tightly thus removal of electrons become more


A : a. easy

B : b. difficult

C : c. neutral

D : d. natural

In fluorine, incoming electrons are repel by the


A : a. thick cloud

B : b. outer most shell

C : c. nucleus

D : d. atomic radii

Shielding effect is responsible for decrease in force of attraction of nucleus for electrons present I the


A : a. outer most shell

B : b. inner shell

C : c. valence shell

D : d. second shell

From left to right in a period, shielding effect remains


A : a. same

B : b. different

C : c. increase

D : d. decrease

Electro negativity values of elements is calculated by


A : a. bohar

B : b. Paul

C : c. Zeeman

D : d. stalk

Probability distribution of electrons can be affected by


A : a. far atoms

B : b. near atoms

C : c. each and every atom

D : d. neighboring atoms

Electro negativity of sodium atom is


A : a. 0.6

B : b. 0.9

C : c. 0.7

D : d. 0.8

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