Sulfur forms several chlorides that are liquids at room temperature. Which other Period 3 element forms a chloride that is liquid at room temperature?
Name a third-period element which burns in chlorine with a coloured flame.
Aluminium chloride may be formed by passing chlorine over heated aluminium powder in a long hard-glass tube. State two observations you could make while this reaction takes place.
Write a balanced equation, including state symbols, for this reaction between aluminium and chlorine.
No chloride of argon has ever been made. Suggest a reason for this.
Complete the table below to show how the chlorides of Na, Al, and Si behave when they are mixed with water. In the first column, use only the terms ‘dissolve’ or ‘react’.
What type of reaction occurs between a chloride and water?
Determine the number of lone pairs of electrons around a nitrogen atom and a sulfur atom in $\text{S}_4\text{N}_4$. nitrogen atom ................. sulfur atom .................
Which bond angle, a or b, in the $\text{S}_4\text{N}_4$ molecule is smaller? Explain your answer.