If the statement is true, select True. If it is false, select False. In a polar bond, one atom pulls on the shared electrons more than the other atom.

True
False

How do the energy differences between the higher energy levels of an atom compare with the energy difference between the lower energy level of the atom

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

How are isotopes of the same chemical element alike? how are they different?