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Upper Secondary: IGCSE
IMPORTANT
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This diagram represents a molecule of a certain gas. 

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Name the gas, and give is formula.

Important Questions on Atoms Combining

EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Checkup on Chapter 4>Q 2

This diagram represents a molecule of a certain gas. 

Question Image 

What do the symbols • and x symbols represent?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Checkup on Chapter 4>Q 2

This diagram represents a molecule of a certain gas. 

Question Image

Which type of bonding holds the atoms together?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Checkup on Chapter 4>Q 2

This diagram represents a molecule of ammonia.

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Name another compound with this type of bonding.

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Checkup on Chapter 4>Q 3
Hydrogen bromide is a compound of the two elements hydrogen and bromine. It melts at -87 °C and boils at -67 °C. It has the same type of bonding as hydrogen chloride. Is hydrogen bromide a solid, liquid or a gas at room temperature 20 °C?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Checkup on Chapter 4>Q 3
Hydrogen bromide is a compound of the two elements hydrogen and bromine. It melts at -87 °C and boils at -67 °C. It has the same type of bonding as hydrogen chloride. Is hydrogen bromide molecular, or does it have a giant structure? What is your evidence?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Checkup on Chapter 4>Q 3
Hydrogen bromide is a compound of the two elements hydrogen and bromine. It melts at -87 °C and boils at -67 °C. It has the same type of bonding as hydrogen chloride. Which type of bond is formed between the hydrogen and bromine atoms, in hydrogen bromide?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Checkup on Chapter 4>Q 3
Hydrogen bromide is a compound of the two elements hydrogen and bromine. It melts at -87 °C and boils at -67 °C. Draw a diagram of the bonding between the atoms, showing only the outer electrons. 
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 4 - Atoms Combining>Checkup on Chapter 4>Q 3
Hydrogen bromide is a compound of the two elements hydrogen and bromine. It melts at -87 °C and boils at -67 °C. Write a formula for hydrogen bromide.