Question

find the odd man out Strontium 89 Strontium 90 cobalt-60

radium 223? a)cobalt-60 b)strontium-89 c)redium-223,d) strontium-90

Answer 1

option c radium 223 is correct answer

Answer 2

Hey....

Option (c) is the correct one..

Redium-223....is the answer..