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 189 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
Wow, this really help

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Messenger RNA (mRNA) carries genetic information from the nucleus to the cytoplasm for protein synth Messenger RNA (mRNA) carries genetic information from the nucleus to the cytoplasm for protein synth
Long bones develop from several bony centers--one for the shaft and at least one for each end. The e Long bones develop from several bony centers--one for the shaft and at least one for each end. The e
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
Feng Mengbo, Long March: Restart. Feng Mengbo, Long March: Restart.
In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv
Experiments showing that long- or short-day plants flower in response to night length. Each horizont Experiments showing that long- or short-day plants flower in response to night length. Each horizont
Video: Dietary Cholesterol & LDL

For a complete list of videos, visit our video library