The elements B , Si , Ge , As , all can be classified as what type of element ? A. Noble Gases
B. Metals
C. Metalloids
D. Nonmetals

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

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?