mass number
The nuclear notation for phosphorus is ^31P, where the superscript 31 represents the mass number (sum of protons and neutrons) and the chemical symbol P represents the element phosphorus.
The letter P represents phosphorus. Alchemists used various symbols for it, including a triangle on a post with two horizontal bars.
The atomic number is the number of protons, so 15.
Arsenic is the element below phosphorus. Atomic number of it is 33.
Phosphorus is an element.
Phosphorus is an element. With the symbol P. Atomic number 15.
Phosphorus
X represents the element of addition in the expression.
The chemical name of phosphorus is simply "phosphorus." It is a nonmetal element with the atomic number 15.
Phosphorus
The oxidation number of phosphorus in red phosphorus is 0. This is because in red phosphorus, phosphorus is in its elemental form, and the oxidation number of any element in its elemental form is always 0.
The element with the atomic number 15 is Phosphorus.