Please help me answer all of them correctly. Please help me answer all of them. I would appreciate it, this is my last c
Posted: Tue May 17, 2022 8:15 am
Please help me answer all of them correctly. Please help me
answer all of them. I would appreciate it, this is my last chance,
please. Check it, carefully, please.
1.a.
1.b.
of its radioactivity? 255 How many half-lives have passed when a radioactive substance has lost 256 - number of half-lives
19 The half-life of 45K is 18 minutes. If you have a sample containing 2.5 x 103 micrograms (ug) of this isotope at noon, how many micrograms will remain at 3 o'clock in the afternoon? Hg 45K 19 Submit Show Tutor Steps
answer all of them. I would appreciate it, this is my last chance,
please. Check it, carefully, please.
1.a.
- Please Help Me Answer All Of Them Correctly Please Help Me Answer All Of Them I Would Appreciate It This Is My Last C 1 (29.27 KiB) Viewed 47 times
- Please Help Me Answer All Of Them Correctly Please Help Me Answer All Of Them I Would Appreciate It This Is My Last C 2 (45.09 KiB) Viewed 47 times
19 The half-life of 45K is 18 minutes. If you have a sample containing 2.5 x 103 micrograms (ug) of this isotope at noon, how many micrograms will remain at 3 o'clock in the afternoon? Hg 45K 19 Submit Show Tutor Steps