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.
The U.S. Department of Agriculture Wednesday issued its new Plant Hardiness Zone Map, last updated in 1990. Syracuse and most of Central New York moved from zone 5a to zone 5b, which means winter is warmer than it used to be. Parts of Oswego and Auburn moved from zone 5b to the warmer 6a zone.