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Author Question: Alchemist of the Middle Ages believed that ________. A) atoms are the basis of matter B) ... (Read 158 times)

brutforce

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on: Aug 27, 2018
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


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mcomstock09

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Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

D


brutforce

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Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

aliotak

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Reply 3 on: Yesterday
Excellent

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