« previous next »

Author Question: The mass of a neutron is ________ the combined mass of a proton and an electron. A) less than B) ... (Read 91 times)

MGLQZ

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
The mass of a neutron is ________ the combined mass of a proton and an electron.
 
  A) less than
  B) equal to
  C) more than

Question 2

A roentgen (R) is
 
  A) 10-2 J/kg.
  B) 3.70  1010 decays/s in radium.
  C) the SI unit of radioactivity ( = 1 decay/s).
  D) the SI unit of absorbed dose = 1 J/kg = 100 rad.
  E) a dosage of 2.58  10-4 C/kg.


TheDev123

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

NAD+ as an electron shuttle. NAD+ as an electron shuttle.
Cyclic electron flow. Cyclic electron flow.
Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i
How to find the average atomic mass of an element How to find the average atomic mass of an element
Atomic Number and Mass Number Atomic Number and Mass Number
Electron micrograph of the bacterium Escherichia coli Electron micrograph of the bacterium Escherichia coli
Video: Component of feedback systems & Communication and regulation of body systems

For a complete list of videos, visit our video library