Meitnerium
Ne is the symbol for neon. There is no abbreviation for neon.
Sp is not a symbol for a chemical element.
Every element has a one or two (or three, if the element doesn't have an official name yet) letter symbol.
The symbol of an element is an abbreviation for the element's name, and it is derived either from the English or the Latin name. For example: Bromine's symbol is Br. The symbol inside an element's square is the element's atomic number, or the number of protons and neutrons in the element.
Fe is the chemical symbol of iron.
It is an abbreviation for a chemical element.
Ne is the symbol for neon. There is no abbreviation for neon.
Symbol
Silver has the symbol Ag.
The element krypton has the symbol Kr.
Sp is not a symbol for a chemical element.
The sign or abbreviation to represent an element is called an "atomic symbol", and there is a distinct one for each element. Every atomic symbol begins with a capital letter, which may constitute the entire symbol but is usually followed by a lower case letter.
The chemical symbol is an abbreviation of the chemical name for a chemical element.
The one or two letter short form is called the symbol for the element.
Every element has a one or two (or three, if the element doesn't have an official name yet) letter symbol.
The symbol of an element is an abbreviation for the element's name, and it is derived either from the English or the Latin name. For example: Bromine's symbol is Br. The symbol inside an element's square is the element's atomic number, or the number of protons and neutrons in the element.
P is the symbol for the element phosphorus.