C 20 year d 3 year 29 The half life period of radium is 300

Last updated: 6/8/2023

C 20 year d 3 year 29 The half life period of radium is 300 years The fractio of sample of radium that would remain after 2700 yea is a 1 512 b 1 128 c 1 176 d 1 200