Question

The chemical symbol for oxygen is:
A.O
B.Oz
C.Ox
D.N

Answer 1

A chemical symbol is a notation of one or two letters which is representing a chemical element. In chemical symbols the first letter is always capitalized and the second is in lowercase. The chemical symbol is a sign of the name of an element. Now, we consider all the elements of the periodic table by the symbolized.

Complete step by step answer:
The chemical symbol of oxygen is defined by the first letter of its spell.
The chemical symbol of oxygen is O, which represents the first letter that is always capitalized.
Hence, option (A) is the correct answer.
Oxygen is symbolized by O.

Additional information:
Oxygen is a chemical element of group 16 of the periodic table which is colorless, odorless, tasteless gas. It is useful for living organisms, which convert it to carbon dioxide. Oxygen forms compounds by reaction with practically any other element, by reaction that displace elements from their combinations with each other. Oxygen produced from oxygen according to the equation, which is given below:
$3{O_2} \to 2{O_3}$ . Oxygen is useful for oxyacetylene welding and cutting of metals. A growing use is in the treatment of sewage and of effluent from industry.

Note: Chemical symbol contains one or two letters; the second letter is lowercase. The majority of elements have symbols that are based on their names. Some elements known ancient times have mainly standard symbolized by the capital letter, otherwise two letters are decided to symbolize an element.