« previous next »

Author Question: Beryllium's atomic mass is 9 and its atomic number is 4. How many neutrons are f (Read 1088 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
on: Apr 23, 2014
Beryllium's atomic mass is 9 and its atomic number is 4. How many neutrons are found in a beryllium atom?
A) 9
B) 13
C) 4
D) 5


Millan

  • Sr. Member
  • ****
  • Posts: 368
Reply #1 on: May 9, 2014
This is for essentials biology, right? the answer is D. Bye for now.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
Reply #2 on: May 9, 2014
Thank you, you were right :D


« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

How to count for the correct number of significant digits How to count for the correct number of significant digits
Air-Mass Source Regions for North America Air-Mass Source Regions for North America
Prove the argument using two column proof number 5 only Prove the argument using two column proof number 5 only
A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ... A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ...
Human Diseases Associated with Copy Number Variants Human Diseases Associated with Copy Number Variants
Mass spectrometry (MS) patterns for a trypsin-digested peptide sequence Mass spectrometry (MS) patterns for a trypsin-digested peptide sequence
Video: Mechanisms for chromosome movement Animation

For a complete list of videos, visit our video library