Quiz on Atomic Structure and Chemical Bonds

What are atoms primarily known as?

• Only intermolecular forces

• Only thermal energy

• Balance between intermolecular forces and thermal energy

• Pressure only

Crystalline solids exhibit:

• Short range order

• Amorphous structure

• Long range order

• No order

What is the main feature of Rutherford’s Nuclear Model?

• Electrons are embedded in a positive sphere

• Atoms are indivisible

• Atoms have a dense nucleus

• Electrons are in fixed orbits

Glass is an example of:

• Crystalline solid

• Amorphous solid

• Ionic solid

• Covalent solid

Which of the following describes a covalent bond?

• Formation of ions

• Combination of different elements

• Sharing of electrons

• Transfer of electrons

Which type of solid is isotropic?

• Metallic

• Trigonal Planar

• Amorphous

• Ionic

What is the primary limitation of Bohr’s Model?

• It does not include a nucleus

• It cannot describe ionic bonds

• It cannot explain atomic spectra

• It does not account for electron spin

Which principle states that no two electrons can have identical quantum numbers?

• Pauli Exclusion Principle

• Hund’s Rule

• Quantum Mechanical Model

• Aufbau Principle

What is the electron configuration of Oxygen (Z=8)?

• 1s² 2s² 2p⁵

• 1s² 2s² 2p²

• 1s² 2s² 2p³

• 1s² 2s² 2p⁴

Ionic solids are generally:

• Soft and conductive in solid state

• Low melting solids

• Malleable and ductile

• Hard, brittle, and conduct electricity in molten state