Definitions
There is 1 meaning of the phrase
Atomic Number 9.
Example Sentences
"Fluorine, with atomic number 9, is a pale yellow gas."
"The atomic number 9 element, fluorine, is highly reactive."
"The electronegativity of atomic number 9 element, fluorine, is very high."
"You can find atomic number 9, fluorine, in minerals such as fluorite."
"Chemists often refer to atomic number 9 as F for fluorine."
