This topic contains a solution. Click here to go to the answer

Author Question: After three half-lives 12.5% of the radioactive sample has decayed. (Read 87 times)

Beheh

  • Hero Member
  • *****
  • Posts: 520

Question 1

After three half-lives 25 radioactive nuclei remain from an initial 200.
◦ true
◦ false

Question 2

After three half-lives 12.5% of the radioactive sample has decayed.
◦ true
◦ false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Beheh on Mar 24, 2020

Liamb2179

  • Sr. Member
  • ****
  • Posts: 365
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly




Beheh

  • Member
  • Posts: 520
Reply 2 on: Mar 24, 2020
Excellent


shewald78

  • Member
  • Posts: 340
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

For a complete list of videos, visit our video library