What do the formulas for table salt, nacl, and water, h2o indicate about the compounds?

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

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?

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.