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

Author Question: A radioactive isotope is A) an unstable nucleus that gives off radio waves B) a nucleus that ... (Read 48 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
on: Jul 27, 2018
A radioactive isotope is
 
  A) an unstable nucleus that gives off radio waves
  B) a nucleus that formed from the fusion of two other nuclei
  C) a stable nucleus that is formed from the fission of a large unstable nucleus
  D) an unstable nucleus that spontaneously breaks apart

Question 2

At the top of the HertzprungRussell diagram we find
 
  A) red giant stars
  B) white dwarfs
  C) supergiant stars
  D) main sequence stars


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jody Vaughn

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

C


sammy

  • Member
  • Posts: 818
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

covalentbond

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

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?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

The Nucleus Is Enclosed by a Double Membrane The Nucleus Is Enclosed by a Double Membrane
An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
The cell membrane, cytoplasm, nucleus, and nucleolus. The cell membrane, cytoplasm, nucleus, and nucleolus.
A PET scan, a medical use for radioactive isotopes. A PET scan, a medical use for radioactive isotopes.
Nucleus Nucleus
The nucleolus (arrow) is a prominent structure in the nucleus The nucleolus (arrow) is a prominent structure in the nucleus
Video: Electrocardiogram Examination

For a complete list of videos, visit our video library