When the earth is in the summer solstice (Northern Hemisphere), the earth is the farth â¦ est away from the sun. The reason behind seasons is determined on the earth's tilt. If the tilt is toward the sun, it is summer. If the tilt is away from the sun, it is winter.
In chemistry, a symbol is a code for a chemical element.It is usually derived from the name of the element, often in Latin. This is an example of an atomic symbol. The text boxes explain where the numbers are derived from.or example, He is the symbol for helium (English name, not known in ancient Roman times), Pb for lead (plumbum in Latin), W for tungsten (wolfram in German, not known in Roman times). Only the first letter is capitalized.
Significance of a Chemical Formula. Recall that a chemical formula indicates the relative number of atoms. of each kind in a chemical compound. For a molecular compound, the. chemical formula reveals the number of atoms of each element con-. tained in a single molecule of the compound, as shown below for the. hydrocarbon octane.