Electron & Light Quiz

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Test your understanding of electrons, light, and spectra.

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Electron & Light Quiz


Electron & Light QuizVersion en ligne Test your understanding of electrons, light, and spectra. par hi 1 What describes the dual nature of the electron? a It is only a wave b It behaves as both a particle and a wave c It is only a particle d It has no mass 2 Who proposed the wave-particle relation for electrons? a Niels Bohr b Albert Einstein c Louis de Broglie d Richard Feynman 3 What is the formula for de Broglie wavelength? a lambda = h / e b lambda = m v / h c lambda = h m v d lambda = h / (m v) 4 Which effect shows that light has particle-like energy packets? a Compton scattering b Photoelectric effect c Diffraction d Refraction 5 What does a prism do to white light? a Creates a single new color b Absorbs all colors c Changes its speed only d Separates it into a spectrum of colors 6 Which term describes light travel without a medium being required? a Light cannot travel in vacuum b Electromagnetic waves travel in vacuum c Light needs a medium to propagate d Light only travels as particles 7 What happens to wavelength and frequency as one increases and the other decreases? a They are directly related b One remains constant c They are independent d They are inversely related 8 Which part of the spectrum has the highest energy per photon? a Infrared b Microwaves c Red light d Ultraviolet (near the high-energy end) 9 Which statement best describes spectral lines in atoms? a Each element has its own signature lines b Lines only appear for hydrogen c All elements share identical lines d Spectral lines are random 10 What governs the threshold for photoelectric emission? a Threshold frequency of the incident light b Wavelength longer than visible light c Light intensity only d Ambient temperature 11 What is the angular path allowed for the electron in Bohr's hydrogen model? a Elliptical orbits b Fixed circular orbits c Chaotic paths d Random orbits 12 In Bohr's model, what happens when an electron jumps to a higher energy level? a Nucleus fuses b Mass changes c A photon is emitted d A photon is absorbed 13 Energy difference between levels in Bohr’s atom determines what? a Photon frequency b Orbital angular momentum c Molecular shape d Electron spin 14 Which principle governs orbital filling in electron configurations? a Hund’s Rule b Aufbau Principle c Pauli Exclusion d Heisenberg Principle 15 How many electrons can occupy a single orbital at most? a 4 b 2 c 1 d 3 16 Valence electrons are typically found in which part of the atom? a Nucleus b Outermost energy level c Core electrons d Middle shells 17 Which sublevel holds 3 orbitals? a p b f c d d s 18 Which principle states two electrons in the same orbital must have opposite spins? a VSEPR theory b Aufbau Principle c Hund’s Rule d Pauli Exclusion Principle 19 Neon’s electron configuration ends with which sublevel notation? a 2p4 b 3p6 c 3d6 d 2p6 20 In Bohr’s theory, which state is the ground state? a n = 3 b n = 2 c n = 1 d n = 0

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Electron & Light Quiz

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À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Electron & Light QuizVersion en ligne

par hi

What describes the dual nature of the electron?

Who proposed the wave-particle relation for electrons?

What is the formula for de Broglie wavelength?

Which effect shows that light has particle-like energy packets?

What does a prism do to white light?

Which term describes light travel without a medium being required?

What happens to wavelength and frequency as one increases and the other decreases?

Which part of the spectrum has the highest energy per photon?

Which statement best describes spectral lines in atoms?

What governs the threshold for photoelectric emission?

What is the angular path allowed for the electron in Bohr's hydrogen model?

In Bohr's model, what happens when an electron jumps to a higher energy level?

Energy difference between levels in Bohr’s atom determines what?

Which principle governs orbital filling in electron configurations?

How many electrons can occupy a single orbital at most?

Valence electrons are typically found in which part of the atom?

Which sublevel holds 3 orbitals?

Which principle states two electrons in the same orbital must have opposite spins?

Neon’s electron configuration ends with which sublevel notation?

In Bohr’s theory, which state is the ground state?