Use the periodic table to match each of the following element symbols to its name, atomic mass, or atomic number.
match term definition
na a) 20.180 u (atomic mass)
ne b) 7 (atomic number)
n c) sodium

The answer to your question is below

Explanation:

                              Definition

Na (sodium)              Sodium

Ne (neon)                 20.180 u (atomic mass

N (nitrogen)               7 atomic number

i would say b

explanation:

but i think i would need more information than that