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

Author Question: Which event does not occur during the decay of potassium-40 isotopes? A) An electron orbiting ... (Read 77 times)

lidoalex

  • Hero Member
  • *****
  • Posts: 538
on: Jul 16, 2018
Which event does not occur during the decay of potassium-40 isotopes?
 
  A) An electron orbiting near the nucleus enters into the nucleus and combines with a proton to produce a neutron.
  B) Electrons rearrange, producing x-rays.
  C) A neutron changes to a proton and emits an electron.
  D) A proton is ejected from the nucleus.

Question 2

Where have the oldest dated sand grains been found on Earth?
 
  A) Australia
  B) Canada
  C) The United States
  D) Africa


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

steff9894

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


lidoalex

  • Member
  • Posts: 538
Reply 2 on: Jul 16, 2018
Gracias!

AngeliqueG

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

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.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Electron Shells Determine the Reactivity of Atoms. Electron Shells Determine the Reactivity of Atoms.
Electron Microscope Images of a Diatom Electron Microscope Images of a Diatom
Mosquito Eyes Up Close: Electron Microscope Image Creates Stunning View Of Insect Mosquito Eyes Up Close: Electron Microscope Image Creates Stunning View Of Insect
Insects Under the Electron Microscope Insects Under the Electron Microscope
Site-specific recombination event catalyzed by RAG1 and RAG2 Site-specific recombination event catalyzed by RAG1 and RAG2
Stable isotopes of carbon Stable isotopes of carbon
Video: Oxygen transport: association and dissociation & Factors that affect hemoglobin's saturation with O2

For a complete list of videos, visit our video library