« previous next »

Author Question: We can represent atoms by listing the number of protons, neutrons, and electrons (Read 1230 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?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

A double bond between two oxygen atoms A double bond between two oxygen atoms
(a) Zombies are a common theme in movies. However, (b) the number of zombie movies released each yea (a) Zombies are a common theme in movies. However, (b) the number of zombie movies released each yea
Although average brain size increases gradually though time in H. erectus, individuals with small br Although average brain size increases gradually though time in H. erectus, individuals with small br
Worldwide Variations in Population and Income Levels Developed countries represent only 18% of the Worldwide Variations in Population and Income Levels Developed countries represent only 18% of the
A greater number of men than women hold full-time jobs, but the gap is closing because of an ... A greater number of men than women hold full-time jobs, but the gap is closing because of an ...
The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ... The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ...
Video: Allergic Rhinitis

For a complete list of videos, visit our video library