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VALENCE ELECTRONS MCQs

Total Questions : 13 | Page 2 of 2 pages
Question 11. Which of the following elements has two valence electrons?
  1.    potassium
  2.    fluorine
  3.    helium
  4.    aluminum
 Discuss Question
Answer: Option C. -> helium
Question 12. Which elements have the most similar chemical properties?
  1.    boron and carbon
  2.    oxygen and sulfur
  3.    aluminum and bromine
  4.    argon and silicon
 Discuss Question
Answer: Option B. -> oxygen and sulfur
Question 13. How many valence electrons does sulfur have?
  1.    2
  2.    4
  3.    6
  4.    8
 Discuss Question
Answer: Option C. -> 6

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