« previous next »

Author Question: Which of the following elements would be expected to be most stable? A) Platinum-195 B) Iron-56 ... (Read 27 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
on: Jul 27, 2018
Which of the following elements would be expected to be most stable?
 
  A) Platinum-195
  B) Iron-56
  C) Carbon-12
  D) Bismuth-209
  E) Helium-3

Question 2

The radioactivity due to Carbon-14 measured in a piece of a wooden casket from an ancient burial site was found to produce 20.0 counts per minute from a given sample,
 
  whereas the same amount of carbon from a piece of living wood produced 160. counts per minute. The half-life of Carbon-14, a beta emitter, is 5730. years. Thus we would estimate the age of the artifact to be about
  A) 14,800 years
  B) 20,000 years
  C) 5,700 years
  D) 17,200 years
  E) 11,500 years


akpaschal

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Box stalls in a barn or stable should be of sturdy construction and cleaned daily Box stalls in a barn or stable should be of sturdy construction and cleaned daily
iron iron
Temperament refers to stable differences in the emotional reactions of different children to similar ... Temperament refers to stable differences in the emotional reactions of different children to similar ...
Stable isotopes of carbon Stable isotopes of carbon
Plant foods such as grains and vegetables are the main sources of nonheme iron in your diet Plant foods such as grains and vegetables are the main sources of nonheme iron in your diet
Atoms and Elements Atoms and Elements
Video: Secondary Active Transport

For a complete list of videos, visit our video library