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2. Which of the following bonds is the MOST polar?
a. H-CI
b. C-C1
c. H-H
d. N-F
3. What is the molecular shape of CHBr3?
a. Linear
b. Trigonal planar
c. Trigonal bipyramidal
d. Tetrahedral
4. Which of the following pairs of atoms are bound by a nonpolar covalent bond?
a. Na-ci
b. Ca-O
c. P-N
d. C-S
5. From the given Lewis structure of NH3, how many nonbonding pair/s of electron
are around the central atom?
H-N-H
a. O
b. 1
H
c. 2
d. 3
6. Which of the following statements is INCORRECT?
a. Polar covalent bonds can be present in a nonpolar molecule.
b. Polar covalent bond is present if the electronegativity difference
between atoms is equal or less than 0.4.
c. Polarity of bond and molecular geometry are the two factors that affect
the polarity of molecules.
d. Polar bond forms when electrons are unequally shared by two atoms
in a compound.
7. What is the relative ability of a bonded atom to attract shared pair of electron?
a. Electron affinity
b. Electronegativity
c. Ionization energy
d. Metallic property
​

Sagot :

jannaahh

Answer:

2. Which of the following bonds is the MOST polar?

a. H-CI

b. C-C1

c. H-H

d. N-F

3. What is the molecular shape of CHBr3?

a. Linear

b. Trigonal planar

c. Trigonal bipyramidal

d. Tetrahedral

4. Which of the following pairs of atoms are bound by a nonpolar covalent bond?

a. Na-ci

b. Ca-O

c. P-N

d. C-S

5. From the given Lewis structure of NH3, how many nonbonding pair/s of electronare around the central atom?

H-N-H

a. O

b. 1H

c. 2

d. 3

6. Which of the following statements is INCORRECT?

a. Polar covalent bonds can be present in a nonpolar molecule.

b. Polar covalent bond is present if the electronegativity difference

between atoms is equal or less than 0.4.

c. Polarity of bond and molecular geometry are the two factors that affect

the polarity of molecules.

d. Polar bond forms when electrons are unequally shared by two atoms

in a compound.

7. What is the relative ability of a bonded atom to attract shared pair of electron?

a. Electron affinity

b. Electronegativity

c. Ionization energy

d. Metallic property

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