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Author Question: Which element has the ground-state electron configuration Xe6s2 4 f 7? A) Re B) Ir C) Eu D) ... (Read 136 times)

Jipu 123

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on: Aug 27, 2018
Which element has the ground-state electron configuration Xe6s2 4 f 7?
 
  A) Re
  B) Ir
  C) Eu
  D) Gd

Question 2

What is the chemical formula of calcium phosphate?
 
  A) CaPO4
  B) Ca2PO4
  C) Ca3PO4
  D) Ca3(PO4)2


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morrie123456

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

C

Answer to Question 2

D


Jipu 123

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Reply 2 on: Aug 27, 2018
:D TYSM

Alyson.hiatt@yahoo.com

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Reply 3 on: Yesterday
Excellent

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