The mass of an atom of another element is the ratio of its mass to the mass of a carbon atom. The mass number for neon is 20 but the atomic mass is 20.1797. The mass of the atoms increases. from left to right across the table.
Illinois growing zones range from zones 5-7. By looking at the map above and locating the approximate area in which you live, you will be able to find your Illinois hardiness planting zone. Simply compare the color-coded zones for your area with those of the legend on the right of the map.
Unfortunately, since lilacs prefer colder climates with a chilling period, gardeners in U.S. Department of Agriculture hardiness zone 9 generally do not experience the amazing blooms the lilac has to offer. Thankfully, there are some options for gardeners wanting to grow lovely lilacs in their zone 9 gardens.nown as early flowering lilac, the excel can develop light lavender blooms seven to 10 days before other varieties. It grows and blooms in hardiness zones 3 through 9, reaching 8 to 12 feet tall and 6 to 10 feet wide.