« previous next »

Author Question: Which Uranium isotope is the most commonly occurring isotope? A) U-235 B) U-236 C) U-237 D) ... (Read 79 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
on: Jul 27, 2018
Which Uranium isotope is the most commonly occurring isotope?
 
  A) U-235
  B) U-236
  C) U-237
  D) U-238
  E) U-239

Question 2

When a + particle is emitted from an unstable nucleus, the atomic number of the nucleus
 
  A) increases by 1.
  B) does not change.
  C) decreases by 1.
  D) increases by 2.
  E) decreases by 2.


Bigfoot1984

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia
Fires Commonly Are Major Secondary Effects Fires Commonly Are Major Secondary Effects
Optical microscopes are commonly configured for bright-field (transmitted), phas Optical microscopes are commonly configured for bright-field (transmitted), phas
Commonly Abused Drugs Commonly Abused Drugs
The most commonly used socket drive sizes include 1/4, 3/8, and 1/2 inch drives. The most commonly used socket drive sizes include 1/4, 3/8, and 1/2 inch drives.
Most Commonly Diagnosed Mental Disorders Most Commonly Diagnosed Mental Disorders
Video: Insulin (glucose uptake by body cells), glycogenesis and lipogenesis

For a complete list of videos, visit our video library