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A Level Chemistry Bonding and Structure

Subject: Chemistry

Level: Beginner

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Instructions:

Q1.

How does the size of the ion affect the strength of a Metallic bond?

  • 1. Bigger ions have stronger bonds.

  • 2. Smaller ions have stronger bonds.

  • 3. The size of the ions does not always affect the strength of the bond.

Q2.

The melting point and boiling point of macromolecular substances are usually ___________________ those of simple molecules.

  • 1. higher than

  • 2. lower than

  • 3. equal to

Q3.

In which of the following bonds are also known as "macromolecules"?

  • 1. Dative Covalent bond

  • 2. Ionic bond

  • 3. Giant covalent structure

  • 4. Covalent bond

Q4.

Which of the following bonds involves electron loss by one atom and electron gain by the other?

  • 1. Dative Covalent bond

  • 2. Ionic bond

  • 3. Giant covalent structure

  • 4. Covalent bond

Q5.

Graphite is a covalently bonded "macromolecular" substance. True or false?

  • 1. True

  • 2. False

Q6.

Macromolecules often exist in which of the following states?

  • 1. Gaseous

  • 2. Solid

  • 3. Liquid

Q7.

Which one of the following is not a covalently-bonded "simple molecular" substance?

  • 1. H2O

  • 2. SiO2

  • 3. NH3

Q8.

Which of the following types of bonds exists between the two Iodine (I) atoms in an Iodine molecule (I2)?

  • 1. Ionic

  • 2. Metallic

  • 3. Covalent, Simple Molecular

  • 4. Covalent, Macromolecular

Q9.

Which of the following factors affect Metallic bonding?

  • 1. The size of the metal ion.

  • 2. The process by which metals are extracted from their ores.

  • 3. Nuclear attraction.

Q10.

How does the number of protons in the nucleus affect the strength of a Metallic bond?

  • 1. Increased proton numbers increase the strength of the bond.

  • 2. The strength of the bond decreases with the increase in the number of protons.

  • 3. The strength is not affected by the number of protons.

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