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.
The Easiest Crops for a Fall Vegetable Gardener. Now is a great time to plant leafy green fall vegetables like kale, collards, spinach, lettuce, mustard, and arugula. These fast growers should have plenty of time to produce and can be harvested at any leaf size that you wish.