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

Author Question: If two protons and two neutrons are removed from the nucleus of an oxygen atom, a nucleus of which ... (Read 203 times)

D2AR0N

  • Hero Member
  • *****
  • Posts: 561
on: Jul 29, 2018
If two protons and two neutrons are removed from the nucleus of an oxygen atom, a nucleus of which element remains?
 
  A) nitrogen-12
  B) carbon-12
  C) neon-18
  D) carbon-14

Question 2

Boron has primarily two isotopes, one with an atomic mass of 11 amu and another with an atomic mass of 10 amu. If the abundance of the boron atom with a mass
 
  of 11 amu is 18.9 percent and the abundance of the other isotope is 81.1 percent, what would be the average mass of the boron atom?
  A) 10.19 amu
  B) 11 amu
  C) 10 amu
  D) 10.81 amu
  E) not enough information given


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mk6555

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


D2AR0N

  • Member
  • Posts: 561
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

jordangronback

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

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).

Bluehead wrasse males with yellow females of the species. If the blueheaded male is removed from a t Bluehead wrasse males with yellow females of the species. If the blueheaded male is removed from a t
Atom Atom
) Intramuscular drug administration: (d) the needle is removed and the puncture site is covered wi ) Intramuscular drug administration: (d) the needle is removed and the puncture site is covered wi
A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ... A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ...
The oxygen sensor provides a quick response at the stoichiometric air–fuel ratio of 14.7:1. The oxygen sensor provides a quick response at the stoichiometric air–fuel ratio of 14.7:1.
Oxygen-binding curve for myoglobin Oxygen-binding curve for myoglobin
Video: Nerve Impulse Transmission Animation

For a complete list of videos, visit our video library