Respuesta :
Answer: 16 represents Mass number and 8 represents Atomic Number.
Explanation:
General representation of an element is given as: [tex]_Z^A\textrm{X}[/tex]
where,
Z represents Atomic number
A represents Mass number
X represents the symbol of an element
Oxygen is the 8th element of the periodic table and is written as [tex]_8^{16}\textrm{O}[/tex]
where,
16 represents Mass number and 8 represents Atomic Number.
