Answer:
The half-life of a radioisotope describes the amount of time it takes for said isotope to decay to one-half the original amount present in the sample.
Nitrogen-13, because it has a half-life of ten minutes, will experience two half-lives over the course of the twenty minute period. This means that 25% of the isotope will remain after this.
0.25 x 128mg = 32mg
32mg of Nitrogen-13 will remain after 20 minutes.
Answer:
Rubidium Acetate
Explanation:
Rb is Rubidium C2H3O2 is acetate
Answer:
when your fingers touch something your not touch it cause of the atom
but your hand touch a another person the atoms in each body reacts
1) False
2)True
3) True
Hopes this helps
