after-beta-decay-what-is-the-atomic-number-and-atomic-mass-of-the-element-formed

Question

After beta decay, what is the atomic number and atomic mass of the element formed from mercury-201?

Accepted Answer

Atomic number: 81, Atomic mass: 201

Answer

Atomic number: 82, Atomic mass: 202

Answer

Atomic number: 79, Atomic mass: 201

Answer

Atomic number: 80, Atomic mass: 200