Want this question answered?
Only one thing: extinction.
5g would remain
The mass is 1,075 g.
I suppose that you think to the radioactive isotope Cs-17; After 4 years remain 9,122 g.
2 1/2 g
Only 75 atoms
1mg
0.25
1 mg
0.5 mg
.25 mg
1 mg
0.25 mg
1 mg
1 mg
2.5
Only one thing: extinction.