Which statement best describes how electrons hill orbitals in the periodic table?
electrons hll orbitals in order of their increasing energy from left to right
electrons hll orbitals in order of their increasing energy from right to left.
elements fill orbitals in order of increasing energy from top to bottom in each group,
elements fill orbitals in order of increasing energy from bottom to top in each group.

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error