Atomic Structure and Light Review

Which model of the atom resulted from JJ Thomson's cathode ray experiments?

• Nuclear Model

• Quantum Model

• Plum Pudding Model

• Bohr Model

What is the pictured model of the atom called?

• Dalton Model

• Bohr Model

• Quantum Model

• Plum Pudding Model

Which of the following was the first to propose the idea of atoms?

• Niels Bohr

• John Dalton

• Ernest Rutherford

• Democritus

Which of the following statements do not agree with the conclusions drawn by Ernest Rutherford in his famous gold foil experiment?

(select all that apply)

• Atoms have a negatively charged nucleus.

• Atoms are dense, solid, indivisible particles.

• Atoms have a very small nucleus surrounded by mostly empty space.

• Atoms have electrons suspended in a positively charged substance.

• Atoms have more than 99% of their mass in the dense nucleus at their center.

Which of the following statements about atoms are NOT true?

(select all that apply)

• Most atoms cannot combine with other atoms.

• Chemical reactions divide atoms into smaller parts.

• Atoms of the same element may have different mass numbers.

• Atoms contain only protons.

• Isotopes can be made by adding or subtracting protons.

Which of the following waves would have the lowest amount of energy?

• 
• 
• 
• All three waves have the same amount of energy.

Which of the following accurately describes the relationship between wavelength and energy as frequency increases across the electromagnetic spectrum?

• Energy and wavelength are unrelated for waves on the electromagnetic spectrum.

• Wavelength decreases as energy remains constant across the electromagnetic spectrum.

• Wavelength increases as energy increases across the electromagnetic spectrum.

• Wavelength decreases as energy increases across the electromagnetic spectrum.

The energy of violet light is approximately twice that of red light. How do the wavelengths of violet and red light compare?

• The wavelength of violet light is sometimes greater than and sometimes less than the wavelength of red light.

• The wavelength of violet light is the same as the wavelength of red light.

• The wavelength of violent light is twice the wavelength of red light.

• The wavelength of violet light is half the wavelength of red light.

Frequency and wavelength of waves of electromagnetic radiation have a(n) _________________ relationship.

Energy and wavelength of waves of electromagnetic radiation have a(n) _________________ relationship.