This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How long has it been that scientists have accepted that the nucleus of the atom consists of neutrons ... (Read 116 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
on: Jul 28, 2018
How long has it been that scientists have accepted that the nucleus of the atom consists of neutrons and protons? Think of your answers in terms of order of magnitude.
 a. about a decade
  b. about a century
  c. about a thousand years
  d. since Aristotle

Question 2

Approximately how many water molecules are in a lake with a volume of 12 100 km3? A water molecule measures approximately 2.75  1010 m in length.
 a. 2E+15
  b. 5E+22
  c. 4E+14
  d. 6E+41


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joneynes

  • Sr. Member
  • ****
  • Posts: 376
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

d


littleanan

  • Member
  • Posts: 575
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Atherosclerosis. (a) A sectioned coronary artery that exhibits an accumulation of fatty plaque, whic Atherosclerosis. (a) A sectioned coronary artery that exhibits an accumulation of fatty plaque, whic
Bohr Model of Hydrogen Atom Bohr Model of Hydrogen Atom
Release of Dopamine in the Nucleus Accumbens Release of Dopamine in the Nucleus Accumbens
Long-Term Potentiation and Long-Term Depression Long-Term Potentiation and Long-Term Depression
Having a time zone map located near the telephone will assist you when making long distance calls ou Having a time zone map located near the telephone will assist you when making long distance calls ou
Structure of hemoglobin, the oxygen-transporting protein of red blood cells. It consists of four glo Structure of hemoglobin, the oxygen-transporting protein of red blood cells. It consists of four glo
Video: Phases of an Action Potential - Resting Potential, Threshold, Rising, Falling, & Recovery Phases

For a complete list of videos, visit our video library