Which group in the periodic table contains the three elements with the highest electrical conductivities? A. Group 8
B. Group 12
C. Group 11
D. Group 7

Gymnast always perform on padded mats. how does the mats protect the gymnast

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 the following isotopes has the same number of neutrons as phosphorus-31?