What is another word for atomic number?
Pronunciation: [ɐtˈɒmɪk nˈʌmbə] (IPA) 
The term atomic number is commonly used in chemistry to describe the number of protons in the nucleus of an atom. However, there are several synonyms that can be used to refer to this term. One such alternative is the element number, which also identifies the number of protons an element possesses. Another synonym for atomic number is z-number, which is often used in nuclear physics to describe the same thing. Additionally, the term proton number can be used in place of atomic number, as both terms refer to the number of protons an atom has. Overall, these synonyms provide alternative ways to describe the fundamental aspect of an element's structure.
