(a)[2]
Fill in the table to indicate the solubility of calcium iodide in water and whether solid zinc conducts electricity.
(b)[1]
State one piece of evidence from the table that indicates that phosphorus is a simple covalent substance.
(c)[2]
Which detail in the table indicates that sodium chloride is an ionic compound?
(d)[2]
Predict the products formed at the positive electrode (anode) and the negative electrode (cathode) in this electrolysis.
(e)[2]
Deduce how many protons and neutrons are in one phosphorus atom. Use your Periodic Table to help you.
(f)[1]
State whether phosphorus(V) oxide is acidic or basic, and explain your answer.
(g)[1]
What does the term sublimation mean?