Question

write the symbol of an element'X' having atomic no. 'Z' and mass no. 'A'?​

Answer 1

Answer:

$hello$

The full isotope symbol would also have the atomic number (Z) as a subscript to the left of the element symbol directly below the mass

Answer 2

Answer:

Gold is the answer.

Hope it's helpful.

Please mark it as brainliest answer.