Definitions
There is 1 meaning of the phrase
Atomic Number 15.
Atomic Number 15 - as a noun
A multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
Synonyms (Exact Relations)
pphosphorusExample Sentences
"The atomic number 15 signifies the position of phosphorus in the periodic table."
"Phosphorus compounds are formed by atoms with atomic number 15."
"The atomic number 15 is one of the basic properties of phosphorus."
"Scientists use atomic number 15 to classify phosphorus in the periodic table."
"Phosphorus has an atomic number 15 and is essential for all living organisms."