The chemical formula is established after chemical analysis.
Most are represented by two letters. It would be impossible for most to be represented by one letter as there are more than twice as many elements as there are letters.
It's 118 chemical elements in the periodic table.
Different elements within the compound/ion.
Xenon has the chemical symbol Xe.
Chemical elements and compounds are written with lower case letters. Only for chemical symbols do you use capitals, such as Cu for copper, etc.
H is the chemical formula for hydrogen. There are some elements with H in the chemical formula. But the have other letters too.
Now are known 118 chemical elements.
A chemical symbol for an element is one or two letters. These are found on the Periodic Table of elements. The chemical symbol is an abbreviation of the chemical element name.Example: O is the chemical symbol for Oxygen.K is the chemical symbol for Potassium.Pb is the symbol for lead.He is the symbol for helium.
Belfast is the only city in Ireland with seven letters in its name. Many, many towns and villages have seven letters in their name, but no other city does.
75 dissolved chemical elements
5
There are seven total letters (six letters are unique).
The name Rebecca has seven letters.
Now (22.08.2012) 118 chemical elements are known.
False; practically all the chemical elements have many uses.
seven.