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Author Question: Which of the following is the lowest atomic mass lanthanide? A) Ce B) Lr C) Lu D) Sc E) ... (Read 28 times)

lunatika

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on: Aug 27, 2018
Which of the following is the lowest atomic mass lanthanide?
 
  A) Ce
  B) Lr
  C) Lu
  D) Sc
  E) Th

Question 2

Control rods in a nuclear reactor are composed of boron and ________.
 
  Fill in the blank(s) with correct word


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bulacsom

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

A

Answer to Question 2

an alloy of silver, indium, and cadmium


lunatika

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Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

helenmarkerine

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Reply 3 on: Yesterday
Wow, this really help

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