Germination. As soon as temperatures warm in the spring to at least 50 degrees Fahrenheit, dandelions buds start to appear in lawns. The taproot of a dandelion is usually about 6 to 18 inches underground, and the buds sprout from the upper part of the root.Serrated leaves sprout from the ground; they can be up to 14 inches long and 3 inches wide in a circular pattern extending from the root.ermination. As soon as temperatures warm in the spring to at least 50 degrees Fahrenheit, dandelions buds start to appear in lawns. The taproot of a dandelion is usually about 6 to 18 inches underground, and the buds sprout from the upper part of the root.
Ionising radiation (ionizing radiation) is radiation that carries enough energy to free electrons from atoms or molecules, thereby ionizing them.
What is the wavelength of the photon emitted when a hydrogen atom goes from the second energy level to the first energy level? A hydrogen atom becomes ionized when its electrons have enough energy to jump out of the outermost energy level and become free of the atom. An electron near to escaping the atom has the most energy and therefore emits a high-energy photon if it drops all the way to level one. If the photon contains more energy, it has a higher frequency. Also, the lower energy levels are farther apart than the upper levels.