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CH4 Molecule Properties: Polarity and Geometric Shape, Lecture notes of Organic Chemistry

The polarity and geometric shape of a ch4 molecule through various statements and questions. It covers topics such as polar vs nonpolar molecules, symmetrical vs asymmetrical shapes, and the effects of bond types on molecular polarity.

What you will learn

  • Which formulas represent two polar molecules?
  • Which pair of characteristics describes the molecule illustrated below?
  • Why is a molecule of CO2 nonpolar even though the bonds between the carbon atom and the oxygen atoms are polar?
  • Which molecule is nonpolar?
  • Which electron-dot structure represents a non-polar molecule?
  • Given the formula representing a molecule, which one is it?

Typology: Lecture notes

2021/2022

Uploaded on 09/12/2022

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A)The bonds between the atoms in a CH4 molecule
are polar.
B)The bonds between the atoms in a CH4 molecule
are ionic.
C)The geometric shape of a CH4 molecule
distributes the charges symmetrically.
D)The geometric shape of a CH4 molecule
distributes the charges asymmetrically.
1.Which statement explains why a molecule of CH4 is
nonpolar?
A)symmetrical and polar
B)symmetrical and nonpolar
C)asymmetrical and polar
D)asymmetrical and nonpolar
2.Given the formula representing a molecule:
H – C C – H
The molecule is
A)H2B)H2OC)CO2D)CCl4
3.Which formula represents a polar molecule?
A)HClB)H2OC)NH3D)CH4
4.Which formula represents a nonpolar molecule?
A)The shape of the CO2 molecule is symmetrical.
B)The shape of the CO2 molecule is asymmetrical.
C)The CO2 molecule has a deficiency of electrons.
D)The CO2 molecule has an excess of electrons.
5.Why is a molecule of CO2 nonpolar even though the
bonds between the carbon atom and the oxygen atoms
are polar?
A)CO2 and HClB)CO2 and CH4
C)H2O and HClD)H2O and CH4
6.Which formulas represent two polar molecules?
A)Br2B)CO2C)CH4D)NH3
7.Which formula represents a polar molecule?
A)H2SB)HClC)CH4D)NH3
8.Which formula represents a nonpolar molecule?
A)HClB)H2OC)NH3D)CF4
9.Which formula represents a nonpolar molecule?
A)H2OB)NH3C)COD)CO2
10.Which molecule is nonpolar?
A)B)
C)D)
11.Which electron-dot structure represents a non-polar
molecule?
12.Base your answer to the following question on
Which pair of characteristics describes the molecule
illustrated below?
A)symmetrical and polar
B)symmetrical and nonpolar
C)asymmetrical and polar
D)asymmetrical and nonpolar
A)B)
C)D)
13.Which structural formula represents a polar
molecule?
A)N2B)NH3C)Cl2D)CCl4
14.Which molecule has an asymmetrical shape?
A)It is polar and forms a polar molecule.
B)It is polar and forms a nonpolar molecule.
C)It is nonpolar and forms a polar molecule.
D)It is nonpolar and forms a nonpolar molecule.
15.Two fluorine atoms are held together by a covalent
bond. Which statement correctly describes this
bond?
pf2

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A) The bonds between the atoms in a CH 4 molecule are polar. B) The bonds between the atoms in a CH 4 molecule are ionic. C) The geometric shape of a CH 4 molecule distributes the charges symmetrically. D) The geometric shape of a CH 4 molecule distributes the charges asymmetrically.

  1. Which statement explains why a molecule of CH 4 is nonpolar? A) symmetrical and polar B) symmetrical and nonpolar C) asymmetrical and polar D) asymmetrical and nonpolar
  2. Given the formula representing a molecule: H – C C – H The molecule is A) H 2 B) H 2 O C) CO 2 D) CCl 4
  3. Which formula represents a polar molecule? A) HCl B) H 2 O C) NH 3 D) CH 4
  4. Which formula represents a nonpolar molecule? A) The shape of the CO 2 molecule is symmetrical. B) The shape of the CO 2 molecule is asymmetrical. C) The CO 2 molecule has a deficiency of electrons. D) The CO 2 molecule has an excess of electrons.
  5. Why is a molecule of CO 2 nonpolar even though the bonds between the carbon atom and the oxygen atoms are polar? A) CO 2 and HCl B) CO 2 and CH 4 C) H 2 O and HCl D) H 2 O and CH 4
  6. Which formulas represent two polar molecules? A) Br 2 B) CO 2 C) CH 4 D) NH 3
  7. Which formula represents a polar molecule? A) H 2 S B) HCl C) CH 4 D) NH 3
  8. Which formula represents a nonpolar molecule? A) HCl B) H 2 O C) NH 3 D) CF 4
  9. Which formula represents a nonpolar molecule?

A) H 2 O B) NH 3 C) CO D) CO 2

  1. Which molecule is nonpolar? A) B) C) D)
  2. Which electron-dot structure represents a non-polar molecule?
  3. Base your answer to the following question on Which pair of characteristics describes the molecule illustrated below? A) symmetrical and polar B) symmetrical and nonpolar C) asymmetrical and polar D) asymmetrical and nonpolar A) B) C) D)
  4. Which structural formula represents a polar molecule? A) N 2 B) NH 3 C) Cl 2 D) CCl 4
  5. Which molecule has an asymmetrical shape? A) It is polar and forms a polar molecule. B) It is polar and forms a nonpolar molecule. C) It is nonpolar and forms a polar molecule. D) It is nonpolar and forms a nonpolar molecule.
  6. Two fluorine atoms are held together by a covalent bond. Which statement correctly describes this bond?

A) B) C) D)

  1. Which structural formula represents a nonpolar molecule? A) B) C) D)
  2. Which structural formula represents a nonpolar symmetrical molecule? A) polar with polar covalent bonds B) polar with nonpolar covalent bonds C) nonpolar with polar covalent bonds D) nonpolar with nonpolar covalent bonds
  3. The diagram below represents a water molecule. This molecule is best described as A) B) C) D)
  4. Which electron dot formula represents a polar molecule?

A) B)

C) D)

  1. Which electron dot formula represents a polar molecule? A) polar, only B) nonpolar, only C) either polar or nonpolar D) neither polar nor nonpolar
  2. When two atoms form a chemical bond by sharing electrons, the resulting molecule will be A) B) C) D)
  3. Which diagram best represents a polar molecule? A) CCl 4 and CH 4 B) HCl and Cl 2 C) HCl and NH 3 D) CO and O 2
  4. Which two compounds contain only polar bonds?