MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Explain why silica has high melting point.

Important Questions on Atoms Combining

HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 5
Suggest a reason why the melting point of silica is lower than that of diamond.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Exercise 12>Q ▲

Question Image 

What uses of metals can you see in this picture?

EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 3
What does malleable mean?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 4
Explain why metals can be drawn into thin wires without breaking?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 5
Explain why metals can conduct electricity.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 5
Would you expect molten metals to conduct electricity? Give a reason.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 6
Because metals are malleable, we use some of them to make saucepans. Give other two examples of uses of metals that depend on their malleability.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 6
Because metals are malleable, we use some of them to make saucepans. Give two examples of uses of metals that depend on their ductility.