Abeta particle may be spontaneously emitted from

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

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?