Grade 12 Chemistry: Understanding Molecules
This worksheet explores molecular structure, bonding, and properties relevant to Grade 12 Chemistry.
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Grade 12 Chemistry: Understanding Molecules
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Read each question carefully and provide your answer in the space provided. For multiple-choice questions, circle the correct option.
1. Which type of bond involves the sharing of electrons between atoms?
Ionic bond
Covalent bond
Metallic bond
Hydrogen bond
2. What is the molecular geometry of a methane (CH4) molecule?
Linear
Trigonal planar
Bent
Tetrahedral
3. The ability of an atom to attract electrons in a chemical bond is called .
4. Molecules with a net dipole moment are considered molecules.
5. The VSEPR theory helps predict the of molecules.
6. Explain the difference between a polar and a nonpolar covalent bond.
7. Describe how intermolecular forces influence the physical properties of a substance.
8. All molecules with polar bonds are polar molecules.
True
False
9. Hydrogen bonding is a type of intermolecular force.
True
False
10. Consider the following molecule:
a) What is the chemical formula for this molecule?
b) Based on its structure, predict if this molecule is polar or nonpolar. Justify your answer.