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 102 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
Wow, this really help

mjenn52

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

This diagram shows a cross-section of a solar-type star. This diagram shows a cross-section of a solar-type star.
Sociologists use income, education, and occupational prestige to measure social class. For most ... Sociologists use income, education, and occupational prestige to measure social class. For most ...
Schematic drawing of a permeation test cell used to measure the permeation rate of chemicals through ... Schematic drawing of a permeation test cell used to measure the permeation rate of chemicals through ...
Carbonyl groups reaction type Carbonyl groups reaction type
Remote sensing and GIS are important tools Remote sensing and GIS are important tools
Closed and Open Food Product Dating Closed and Open Food Product Dating
Video: EpiPen Animation (Part 2)

For a complete list of videos, visit our video library