MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

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

Draw a diagram to show what happens when a lithium atom reacts with a fluorine atom. 

Important Questions on Atoms Combining

EASY
Upper Secondary: IGCSE
IMPORTANT

This diagram represents a molecule of a certain gas. 

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Name the gas, and give is formula.

EASY
Upper Secondary: IGCSE
IMPORTANT

This diagram represents a molecule of a certain gas. 

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What do the symbols  and x symbols represent?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT

This diagram represents a molecule of a certain gas. 

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Which type of bonding holds the atoms together?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT

This diagram represents a molecule of ammonia.

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Name another compound with this type of bonding.

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
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
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
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.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT

Aluminium and nitrogen react to form an ionic compound called aluminium nitride.

Name another non-metal that will form an ionic compound with aluminium, in the same way as nitrogen does.