202k views
4 votes
What is the half-life of the fictitious radioisotope"pennium"?

User Kolban
by
4.3k points

2 Answers

2 votes
20 seconds is your anwser
User Tordanik
by
4.5k points
1 vote

Answer:

Step-by-step explanation:

20 seconds

User Jon Koivula
by
4.1k points