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

Author Question: The symbol for a certain isotope of radium is Ra. How many nucleons are there in the nucleus of this ... (Read 76 times)

iveyjurea

  • Hero Member
  • *****
  • Posts: 555
on: Jul 27, 2018
The symbol for a certain isotope of radium is Ra. How many nucleons are there in the nucleus of this isotope?
 
  A) 88
  B) 138
  C) 214
  D) 226
  E) 314

Question 2

The symbol for a certain isotope of polonium is Po. How many neutrons are there in the nucleus of this isotope?
 
  A) 84
  B) 130
  C) 214
  D) 298
  E) 314


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

izzat

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

B


iveyjurea

  • Member
  • Posts: 555
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

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?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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.

The nucleus and nuclear envelope The nucleus and nuclear envelope
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
An orange-red biohazard symbol indicates that bloodborne pathogens may be present, and items should ... An orange-red biohazard symbol indicates that bloodborne pathogens may be present, and items should ...
Reed-Sternberg cells: Bilobed nucleus coupled with the prominent nucleoli gives this cell the ... Reed-Sternberg cells: Bilobed nucleus coupled with the prominent nucleoli gives this cell the ...
Nucleus Nucleus
Nucleus Nucleus
Video: Hormonal regulation of blood pressure - RAA system

For a complete list of videos, visit our video library