This topic contains a solution. Click here to go to the answer

Author Question: Alchemist of the Middle Ages believed that ________. A) atoms are the basis of matter B) ... (Read 162 times)

brutforce

  • Hero Member
  • *****
  • Posts: 540
Alchemist of the Middle Ages believed that ________.
 
  A) atoms are the basis of matter
  B) materials can be altered to produce new molecules
  C) a substance can be transformed into gold by altering its basic qualities
  D) iron is strong and springy because its atoms are shaped like coils

Question 2

Light is emitted as an electron transitions from a higher energy state to a lower energy state. How long does it take for the actual transition to take place?
 
  A) several seconds
  B) several microseconds
  C) several nanoseconds
  D) no time at all



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcomstock09

  • Sr. Member
  • ****
  • Posts: 377
Answer to Question 1

C

Answer to Question 2

D




brutforce

  • Member
  • Posts: 540
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)


ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

For a complete list of videos, visit our video library