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Author Question: Astatine has a(n) ________ density and a(n) ________ atomic radius compared to iodine. A) ... (Read 73 times)

Arii_bell

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on: Aug 27, 2018
Astatine has a(n) ________ density and a(n) ________ atomic radius compared to iodine.
 
  A) greater; greater
  B) smaller; greater
  C) smaller; smaller
  D) greater; smaller
  E) equal; equal

Question 2

Under appropriate conditions, nitrogen and hydrogen undergo a combination reaction to yield ammonia: N2 (g) + 3H2 (g)  2NH3 (g) If the reaction yield is 87.5, how many moles of N2 are needed to produce 3.00 mol of NH3?
 
  A) 0.166
  B) 1.00
  C) 1.5
  D) 1.71
  E) 2.32

Question 3

What is the formula of the compound formed between strontium ions and nitrogen ions?
 
  A) SrN
  B) Sr3N2
  C) Sr2N3
  D) SrN2
  E) SrN3
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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EAN94

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

A

Answer to Question 2

D

Answer to Question 3

B


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Arii_bell

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Reply #2 on: Aug 27, 2018
TY


EAN94

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Reply #3 on: Aug 27, 2018
You're welcome


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