I count 23 : Lithium, Silicon, Calcium, Gallium, Krypton, Arsenic , Bromine, Yttrium, Niobium , Rhodium, Cadmium, Caesium, Terbium, Holmium, Thulium, Hafnium, Rhenium, Mercury, Thorium, Fermium, Dubnium, Hassium, Bohnium
The chemical formula is established after chemical analysis.
It's 118 chemical elements in the periodic table.
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.
Xenon has the chemical symbol Xe.
Different elements within the compound/ion.
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.
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.
Now are known 118 chemical elements.
75 dissolved chemical elements
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.
Now (22.08.2012) 118 chemical elements are known.
False; practically all the chemical elements have many uses.
5
There are seven total letters (six letters are unique).
there are loads!
Seven!