2. What is the percent composition of Mg(IO3)2?

Which substances have the lowest melting points: ionic covalent, or metallic

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Which element would mostly likely have an electron affinity measuring closest to zero