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Author Question: A horizontal row in the modern periodic table is called a A) period. B) group. C) branch. D) ... (Read 81 times)

xroflmao

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on: Aug 27, 2018
A horizontal row in the modern periodic table is called a
 
  A) period.
  B) group.
  C) branch.
  D) valence.

Question 2

Which of the following half-lives is the most stable for an isotope?
 
  A) 0.015 hr
  B) 0.92 min
  C) 56 s
  D) 72 s


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wuly

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

A

Answer to Question 2

D


xroflmao

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Reply #2 on: Aug 27, 2018
TY


wuly

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


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