In what order do electrons fill orbitals within the 3p sublevel? electrons don’t fill orbitals; protons and neutrons fill orbitals. they double up first, then move on to the next orbital when the first is full. they spread out, waiting until each orbital has one electron before doubling up. they fill the orbitals in random order; you cannot predict exactly where they’ll be

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible? a. attractive forces between gas particles are negligible because the particles of an ideal gas are moving so quickly. b. collisions between gas particles are elastic; there is no net gain or loss of kinetic energy. c. gases consist of a large number of small particles, with a lot of space between the particles. d. gas particles are in constant, random motion, and higher kinetic energy means faster movement.

Which position represents spring in the southern hemisphere? a) b) c) d)

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