Electronic Theory of Valency and Valence Bond Theory Quiz

Who developed the Electronic Theory of Valency in 1916?

• G.N. Lewis
• Niels Bohr
• Ernest Rutherford
• Linus Pauling

According to the Octet Rule, how many electrons do most atoms aim to have in their outer shell?

• 2
• 4
• 6
• 8

Which of the following is NOT an exception to the Octet Rule?

• Hydrogen
• Lithium
• Beryllium
• Carbon

What is the primary goal of atoms in forming chemical bonds, according to the Electronic Theory of Valency?

• To lose electrons
• To gain protons
• To achieve a stable electron configuration
• To increase their atomic number

Which element's electron configuration do most atoms try to mimic when forming bonds?

• Alkali metals
• Halogens
• Noble gases
• Transition metals

In the Valence Bond Theory, what property of electrons is crucial for understanding bonding?

• Mass
• Charge
• Wave-like properties
• Spin

According to the Valence Bond Theory, how do atoms form bonds?

• By transferring electrons
• By overlapping atomic orbitals
• By sharing protons
• By nuclear fusion

What type of electrons combine to form a bond pair in Valence Bond Theory?

• Paired electrons
• Core electrons
• Excited electrons
• Single electrons in orbitals

Which of the following is NOT a key mechanism in Valence Bond Theory?

• Orbital overlapping
• Electron excitation
• Hybridization
• Electron precipitation

What happens during orbital overlapping in Valence Bond Theory?

• Electrons are transferred between atoms
• Atomic orbitals merge to form molecular orbitals
• Protons are exchanged
• Neutrons are shared