Question

an element of atomic number 84 decays radioactively to an element of atomic number 83. which of the following emission achieves this results?​

Answer 1

Answer:

Alpha decay and then beta decay

Explanation:

By alpha decay the atomic number will become 82(decrease by 2) then by beta decay the atomic number will become 83(increase by one)

Note

you can reverse the order beta decay first and then alpha decay