Chemistry, asked by amitmassey9636, 10 months ago

How atomic numer and mass number are denoted on atom?

Answers

Answered by prashantrpvv16

0

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

Answered by subho9056

1

Answer:

Explanation:

Atomic no is defined as or denoted as 'Z'

Mass no 'A'

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