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Author Question: Blue LEDs are usually made of ________. A) GaAs B) GaP C) GaO D) GaS E) ... (Read 34 times)

MirandaLo

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on: Aug 27, 2018
Blue LEDs are usually made of ________.
 
  A) GaAs
  B) GaP
  C) GaO
  D) GaS
  E) GaN

Question 2

The correct name for the BH4- ion is ________.
 
  A) borate
  B) boride
  C) borohydride
  D) borite
  E) hydroboride


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batool

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

E

Answer to Question 2

C


MirandaLo

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

FergA

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Reply 3 on: Yesterday
Excellent

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