Question

What are the terms that describe these values for the element oxygen 16 to 8

Answer 1

The "8" represents Atomic Number & the "18" represents Atomic Mass.

Answer 2

Answer: 16 represents Mass number and 8 represents Atomic Number.

Step-by-step explanation:

General representation of an element is given as:
`_Z^A\textrm{X}`

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
`_8^(16)\textrm{O}`

where,

16 represents Mass number and 8 represents Atomic Number.