Author Question: Which element is in the fourth period of the periodic table? A) N B) Ni C) Cd D) ... (Read 59 times)

bb

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Which element is in the fourth period of the periodic table?
 
  A) N
  B) Ni
  C) Cd
  D) Si

Question 2

The n/p > 1 ratio appears in elements whose atomic number is greater than 24.
 
  Indicate whether the statement is true or false



SamMuagrove

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Answer to Question 1

B

Answer to Question 2

FALSE



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