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

Author Question: Which has the greater half-life? A) Oxygen-19 B) Cobalt-60 C) Uranium-238 D) Strontium-90 E) ... (Read 59 times)

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
Which has the greater half-life?
 
  A) Oxygen-19
  B) Cobalt-60
  C) Uranium-238
  D) Strontium-90
  E) Hydrogen-3

Question 2

241Am decays by alpha particle emission. The daughter isotope in this case is (the atomic numbers of Np, Pu, Am, Cm, and Bk are 91, 92, 93, 94, and 95 respectively)
 
  A) 239Np.
  B) 237Np.
  C) 245Bk.
  D) 235Bk.
  E) not given.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Galvarado142

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


oliviahorn72

  • Member
  • Posts: 579
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

Bigfoot1984

  • Member
  • Posts: 321
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

The life cycle of a zygomycete, the black bread mould Rhizopus stolonifer. The life cycle of a zygomycete, the black bread mould Rhizopus stolonifer.
Origin of the plant life cycle. Origin of the plant life cycle.
jellyfish life cycle jellyfish life cycle
Percent of oxygen in the atmosphere versus altitude. Percent of oxygen in the atmosphere versus altitude.
Half Leg of Lamb Half Leg of Lamb
If 2.00 g of helium gas and 4.72 g of oxygen gas are mixed together, what is the mole fraction ... If 2.00 g of helium gas and 4.72 g of oxygen gas are mixed together, what is the mole fraction ...
Video: Introduction to Heart Attacks

For a complete list of videos, visit our video library