Finish the table so that you estimate: • the relative thermal conductivity of potassium • the atomic radius of rubidium.
Describe how the boiling points of the Group I elements change.
Use the data in the table to predict what you would see when rubidium reacts with cold water.
Which statement about how a sodium ion forms from a sodium atom is correct? Tick one box. A sodium atom gains an electron. A sodium atom loses an electron. A sodium atom loses a proton. A sodium atom gains a proton.
State whether sodium oxide is acidic or basic, and give a reason for your answer.
Calculate the relative formula mass of $\text{C}_4\text{H}_5\text{Na}$. Include your working. Use your Periodic Table to help you.
Fill in the missing products in the word equation for the reaction of sodium hydroxide with sulfuric acid. sodium hydroxide + sulfuric acid $\rightarrow$ ................. + .................