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CHEMICAL BONDING MCQs

Total Questions : 15 | Page 1 of 2 pages
Question 1. What is the charge of an aluminum ion that has 13 protons and 10 electrons?
  1.    3+
  2.    3 -
  3.    no charge
  4.    None of these
 Discuss Question
Answer: Option A. -> 3+
Question 2. What happens when an atom loses an electron?
  1.    It becomes Negatively Charged
  2.    It remains neutral because the proton also leaves.
  3.    It becomes Positively Charged
  4.    It stays the same.
 Discuss Question
Answer: Option C. -> It becomes Positively Charged
Question 3. The chemical formula of potassium iodide is
  1.    KI
  2.    PI
  3.    KI₂
  4.    K₂I
 Discuss Question
Answer: Option A. -> KI
Question 4. How many valence electrons does Oxygen have?
  1.    0
  2.    16
  3.    6
  4.    8
 Discuss Question
Answer: Option C. -> 6
Question 5. 17
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option D. -> 4
Question 6. What is the number of valence electrons for Neon and the other Noble Gases?
  1.    5
  2.    6
  3.    7
  4.    8
 Discuss Question
Answer: Option D. -> 8
Question 7. An atom that gains or loses an electron becomes
  1.    an isotope
  2.    a new element
  3.    an ion
  4.    a molecule
 Discuss Question
Answer: Option C. -> an ion
Question 8. The number of _____ is most important in determining how an atoms will bond
  1.    Neutrons
  2.    Protons
  3.    Valence Electrons
  4.    Electron sin the innermost shell
 Discuss Question
Answer: Option C. -> Valence Electrons
Question 9. Which of the following types of elements can exist in monatomic form?
  1.    alkali metals
  2.    transition metals
  3.    halogens
  4.    noble gases
 Discuss Question
Answer: Option D. -> noble gases
Question 10. A compound is made of two nonmetals
  1.    ionic
  2.    metallic
  3.    covalent
  4.    All of above
 Discuss Question
Answer: Option C. -> covalent

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