Which subatomic particle has a negative charge? a) proton b) electron c) neutron d) all particles

What are transitions between a liquid and gas called? identify which way they are transitioning

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?

Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation