« previous next »

Author Question: We can represent atoms by listing the number of protons, neutrons, and electrons (Read 1251 times)

Hawke

  • Hero Member
  • *****
  • Posts: 679
on: May 26, 2013
We can represent atoms by listing the number of protons, neutrons, and electronsfor example,
2p+; 2n0; 2e- for helium. Which of the following represents the 18O isotope of oxygen?
A) 6p+, 8n0, 6e-
B) 8p+, 10n0, 8e-
C) 9p+, 9n0, 9e-
D) 7p+, 2n0, 9e-
E) 10p+, 8n0, 9e-


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: May 26, 2013
Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Hawke

  • Hero Member
  • *****
  • Posts: 679
Reply #2 on: Jun 10, 2013
Thanks so much, it was right ;)


« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Estimated Number of New Sexually Transmitted Infections Estimated Number of New Sexually Transmitted Infections
How to multiply a complex number by its conjugate How to multiply a complex number by its conjugate
Atoms Atoms
Calculate the number of sodium ions in 0.375moles of Na2CO3.10H20 Calculate the number of sodium ions in 0.375moles of Na2CO3.10H20
A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is: A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is:
Number line (5 - 1) Number line (5 - 1)
Video: T cell receptors

For a complete list of videos, visit our video library