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.
of 07. Growing Zones in the North-Central U.S. USDA growing zone map for the North Central U.S. USDA The North-Central region is dominated by cold-weather growing zones (3-5), with only the extreme southern fourth of it offering a more hospitable clime (6-7).