This topic contains a solution. Click here to go to the answer

Author Question: When thorium (A = 90) emits a beta particle, the resulting nucleus has atomic number A) 88. B) ... (Read 135 times)

DyllonKazuo

  • Hero Member
  • *****
  • Posts: 565
When thorium (A = 90) emits a beta particle, the resulting nucleus has atomic number
 
  A) 88.
  B) 89.
  C) 90.
  D) 92.
  E) none of the above

Question 2

Artificially induced radioactive elements generally have
 
  A) long half-lives.
  B) short half-lives.
  C) no half-lives.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

k2629

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

Answer: E

Answer to Question 2

Answer: B





 

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

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?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library