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Author Question: How many oxide ions (O2-) are needed to balance the positive charge of a titanium ion (Ti4+)? A) ... (Read 218 times)

eruditmonkey@yahoo.com

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on: Aug 27, 2018
How many oxide ions (O2-) are needed to balance the positive charge of a titanium ion (Ti4+)?
 
  A) 1
  B) 2
  C) 3
  D) 4
  E) 6

Question 2

Which of the following statements is false?
 
  A) The atomic spectrum of helium is different from the atomic spectrum of neon.
  B) Electromagnetic radiation often behaves like a wave.
  C) An atomic spectrum is an element's fingerprint.
  D) An atom emits electromagnetic radiation when an electron moves from a lower energy level to a higher energy level.
  E) Light that is high in energy has a high frequency.


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mohan

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

B

Answer to Question 2

D


eruditmonkey@yahoo.com

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Reply 2 on: Aug 27, 2018
Gracias!

upturnedfurball

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Reply 3 on: Yesterday
Excellent

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