Standard nuclear notation shows the chemical symbol, the mass number and the atomic number of the isotope. Example: the isotopes of carbon. The element is determined by the atomic number 6. Carbon-12 is the common isotope, with carbon-13 as another stable isotope which makes up about 1%.
More Easy Vegetables to Grow. Most root vegetables like carrots, turnips, and radishes are hardy and can be planted directly in the garden early in the spring and left until fall. The tops can be harvested too as these plants grow. Green beans and zucchini are also a cinch to grow and quite prolific producers.
Calendula is beautiful and easy to grow, even for beginners. Itâs not at all picky and will adapt to various soils and light conditions like a trooper, thoughâlike most thingsâit does best if planted in rich, loose soil and given full sun. Even if youâve had bad luck with flowers in the past, try Calendula.