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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?
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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