An heavier element continuously emits - and -particles

CHEMISTRY · Single correct · US High School · Chemistry · Atomic Structure & Nuclear · Atomic Structure & Nuclear

Problem

An heavier element continuously emits

\alpha

- and

\beta

-particles. The finally stable element may belong to: (1) 14^th gp. (2) 16^th gp. (3) 10^th gp. (4) 12^th gp.