Atomic Physics, IGCSE, Physics

Who proposed the atomic theory?

• J.J. Thomson
• Ernest Rutherford
• Niels Bohr
• John Dalton

Which branch of physics does Atomic Physics focus on?

• Atomic Physics
• Astrophysics
• Quantum Mechanics
• Thermodynamics

What is the atomic structure composed of?

• Electrons and protons
• Neutrons and electrons
• Protons, neutrons, and electrons
• Protons and neutrons

Who made significant contributions to the field of atomic physics?

• Albert Einstein
• Marie Curie
• John Dalton
• Isaac Newton

Who is credited with the discovery of the electron?

• J.J. Thomson
• Ernest Rutherford
• John Dalton
• Isaac Newton

What is the unique pattern of spectral lines produced by atoms called?

• Atomic number
• Atomic configuration
• Atomic mass
• Atomic spectrum

What is the atomic number of an atom?

• The total number of protons and neutrons
• The total number of electrons
• The total number of energy levels
• The total number of protons

What is the significance of atomic spectra?

• Identifying the atomic number of an element
• Determining the mass number of an element
• Predicting the chemical reactivity of an element
• Calculating the energy levels of an element

What did J.J. Thomson discover?

• Protons
• Neutrons
• Electrons
• Nucleus

What do electron configurations describe?

• The arrangement of energy levels in an atom
• The arrangement of neutrons in an atom
• The arrangement of electrons in an atom's energy levels
• The arrangement of protons in an atom