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

Author Question: Which isotopes are radioactive? A) none B) some C) all D) even numbered E) odd ... (Read 39 times)

cagreen833

  • Hero Member
  • *****
  • Posts: 544
on: Jul 27, 2018
Which isotopes are radioactive?
 
  A) none
  B) some
  C) all
  D) even numbered
  E) odd numbered

Question 2

One sometimes hears reference to a 20-kiloton bomb. What does this mean?
 
  A) It means 20,000 tons of nuclear explosive is used in the bomb.
  B) It means that the number of fissile nuclei is equal to the number of trinitrotoluene molecules in 20,000 tons of TNT explosive.
  C) It means that the total weight of the bomb (not just the uranium) is 20,000 tons.
  D) It means that the energy released by the bomb is equal to the energy released when 20,000 tons of TNT is exploded.
  E) This refers to the maximum pressure generated by the bomb when it explodes.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Swizqar

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


cagreen833

  • Member
  • Posts: 544
Reply 2 on: Jul 27, 2018
:D TYSM

xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Excellent

« 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?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Isotopes of Hydrogen Isotopes of Hydrogen
Isotopes of Hydrogen Isotopes of Hydrogen
Stable isotopes of carbon Stable isotopes of carbon
Using radiogenic strontium isotopes in carbonate shells as a proxy for orogeny Using radiogenic strontium isotopes in carbonate shells as a proxy for orogeny
Types of Radioactive Decay Types of Radioactive Decay
Video: Mechanism of enzyme action

For a complete list of videos, visit our video library