« previous next »

Author Question: We can represent atoms by listing the number of protons, neutrons, and electrons (Read 1190 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?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Flower part number is a characteristic difference between monocots and eudicots (a) Flowers and buds Flower part number is a characteristic difference between monocots and eudicots (a) Flowers and buds
Single atoms form the nodes of an elementary quantum network Single atoms form the nodes of an elementary quantum network
What is the volume of 1.51 x 1024 atoms of an unknown gas at STP? What is the volume of 1.51 x 1024 atoms of an unknown gas at STP?
Calculate the number of grams of solute in 500.0 mL of 0.169 M KOH. Calculate the number of grams of solute in 500.0 mL of 0.169 M KOH.
Number of Mutations Associated with Specific Forms of Cancer Number of Mutations Associated with Specific Forms of Cancer
A typical lightning bolt may last for 0.167 s and transfer 1.07 x 10 electrons. Calculate the ... A typical lightning bolt may last for 0.167 s and transfer 1.07 x 10 electrons. Calculate the ...
Video: Control of ventilation rate by other brain centers (posts, hypothalamus & cerebral cortex)

For a complete list of videos, visit our video library