MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Explain why metals can conduct electricity.

Important Questions on Atoms Combining

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.
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 uses of metals that depend on their ability to conduct electricity.
HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Q>Q 7
Mercury forms ions with a charge of 2+. It goes solid (freezes) at -39 °C. Try drawing a diagram to show the structure of solid mercury.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Checkup on Chapter 4>Q 1

This question is about the ionic bond formed between the metal lithium (proton number 3) and the non-metal fluorine (proton number 9). 

How many electrons does a lithium atom have? Draw a diagram to show its electron structure.

EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Checkup on Chapter 4>Q 1
How does a metal atom obtain a stable outer shell of electrons?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Checkup on Chapter 4>Q 1

This question is about the ionic bond formed between the metal lithium (proton number 3) and the non-metal fluorine (proton number 9). 

Draw the structure of a lithium ion, and write the symbol for it, showing its charge.