The word comes from Helios, the Sun. The element was discovered on the sun before its presence on earth was established. The sun, like most normal sequence stars is made up of hydrogen and helium.
For the element Helium is its scientific name. For the bare nucleolus it is know as an alpha particle.
Frequently the first two letters of the name of a chemical element are used as chemical symbol.
The symbol used for iodine is "I" because it is derived from the element's Latin name, "iodum." The letter "I" was then chosen as the symbol to represent iodine in the periodic table.
Helium was first discovered in the sun spectroscopically. It get its name from the Greek word, Helios, meaning "the sun". The symbol He, comes from the first two letters of the element helium.
Potassium, with an Atomic Number of 19, is designated by the symbol 'K'.
There is no element with symbol a or A even
Ca was already being used for calcium. Also, the second letter of the abbreviation is generally chosen to suggest the name of the element rather than being the literal second letter in the name.
The symbol for lithium is "Li" because it is derived from its Latin name "lithium." The letter "Li" was chosen as the symbol to represent the element based on conventions established in the early days of chemistry.
The symbol of the element is used as an abbreviation for its name.
Symbol describes an element. It notates name of element.
The chemical symbol for sodium is Na. This symbol comes from the Latin word "natrium," which was the ancient name for a natural mineral containing sodium carbonate. The symbol Na was chosen to represent this element based on its historical connection to the mineral natrium.
Bi is the symbol for the chemical element 'Bismuth'.