Hund's rule states that electrons must spread out within a given subshell before they can pair up. Explain why Hund's rule is not important to follow for group 13, group 17 (halogens) or group 18 (noble gas), but it is important for groups 14, 15, and 16.

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

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?