Check the atomic radius of the next elements in the series (N, P). How do they fit the predicted pattern?

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

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 of these features are formed when hot groundwater is forced out through cracks in the earth's surface?