Y10 Chem L15 Giant Sructures

What type of structure has calcium chloride?

• Metallic

• Ionic

• Giant covalent

• Simple molecular

What type of structure has sulfur dioxide?

• Metallic

• Ionic

• Giant covalent

• Simple molecular

Copper has a high melting point because it has

• Strong electrostatic attraction between positive ions and delocalized electrons

• Strong intramolecular forces

• Strong electrostatic attraction between oppositely charged ions

• Strong intermolecular forces

Molten sodium chloride conducts electricity because it has

• Delocalized electrons

• Free electrons

• Mobile ions

• Weak intermolecular forces of attraction

How many carbon atoms is each carbon bonded to in diamond and in graphite?

• 3 and 3

• 3 and 4

• 4 and 3

• 4 and 4

Which of the following has a giant covalent structure?

• Carbon dioxide

• Nitrogen dioxide

• Zinc dioxide

• Silicon dioxide

Which compound has the highest melting point?

• Sodium chloride

• Calcium chloride

• Sodium oxide

• Calcium oxide

Which of the following does not conduct electricity?

• Sodium

• Sulfur

• Steel

• Graphite