Question

"Atomic number of an element is considered to be a more appropriate parameter than its atomic mass for a chemist." Take the example of the element X (atomic number 13) to justify this statement.​

Answer 1

Answer:

it is because the isotopes also have same atomic no. like of hydrogen dueterium and tritirium have atomic no.1 and as u asked of atomic no. 13

means aluminium it has isotopes of Al26, al27 and last Al 28

hope it hlps u