Selected MCQ

Current Question
Which type of bonding involves delocalized electrons?
  • A. Ionic
  • B. Covalent
  • C. Metallic
  • D. Hydrogen
Correct Answer: C
Explanation:
Metallic bonding features free electrons.
Related Question 1
Which bond involves delocalized electrons?
  • A. Ionic
  • B. Covalent
  • C. Metallic
  • D. Hydrogen
Correct Answer: C
Explanation:
Metallic bonding has electron sea.
Related Question 2
Which cycle involves runoff?
  • A. Nitrogen
  • B. Carbon
  • C. Water
  • D. Rock
Correct Answer: C
Explanation:
Runoff is water cycle component.
Related Question 3
In molecular orbital theory, antibonding orbitals have:
  • A. Lower energy
  • B. Higher energy
  • C. Same energy
  • D. Zero energy
Correct Answer: B
Explanation:
Antibonding orbitals destabilize molecule.
Related Question 4
Which reaction releases electrons?
  • A. Reduction
  • B. Oxidation
  • C. Neutralization
  • D. Precipitation
Correct Answer: B
Explanation:
Oxidation is loss of electrons.
Related Question 5
Which cycle involves precipitation?
  • A. Nitrogen
  • B. Carbon
  • C. Water
  • D. Rock
Correct Answer: C
Explanation:
Precipitation is part of water cycle.