How atomic numer and mass number are denoted on atom?

1.	How atomic numer and mass number are denoted on atom?
Answer» ANSWER: Na²³ ¹¹ Explanation: atomic no. of sodium is 11.it is denoted below the name(symbol)of atom. MASS no. is 23 in this EXAMPLE...it is denoted above the symbol of atom

Answer»

Na²³

¹¹

Explanation:

atomic no. of sodium is 11.it is denoted below the name(symbol)of atom.

MASS no. is 23 in this EXAMPLE...it is denoted above the symbol of atom