This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An important absolute dating measure is the decay of 147Sm to 143Nd. What type of radioactive decay ... (Read 90 times)

student77

  • Hero Member
  • *****
  • Posts: 567
on: Feb 28, 2020

Question 1

The ratio of parent to daughter isotopes in a radioactive decay process is 0.40. How many half-lives have elapsed since the material was 100% parent atoms?
◦ less than l
◦ between l and 2
◦ between 2 and 3
◦ more than 3

Question 2

An important absolute dating measure is the decay of 147Sm to 143Nd. What type of radioactive decay is involved in this parent-daughter pair?
◦ alpha decay
◦ a positron capture
◦ beta decay
◦ electron capture
Earth Science ¦ Tarbuck, Lutgens, Tasa ¦ 15th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by student77 on Feb 28, 2020

Christopher

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Feb 28, 2020
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


student77

  • Member
  • Posts: 567
Reply 2 on: Feb 28, 2020
:D TYSM

vickybb89

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

The Type C killer whale The Type C killer whale
Dominance relationships among individuals play an important role in many primate societies. Dominance relationships among individuals play an important role in many primate societies.
Performing a Spirometry Test to Measure Forced Vital Capacity Performing a Spirometry Test to Measure Forced Vital Capacity
A typical distributor-type diesel injection pump showing the pump, lines, and fuel filter. A typical distributor-type diesel injection pump showing the pump, lines, and fuel filter.
Chylomicron Chylomicrons are one type of lipoprotein Chylomicron Chylomicrons are one type of lipoprotein
Radioactive Decay Radioactive Decay
Video: Autonomic Nervous System Animation

For a complete list of videos, visit our video library