1.3-Atomic Emission Spectra and The Bohr Model - 1

The distance between two consecutive crests or troughs of a wave is known as the ___________.

• Amplitude

• Speed of light

• Frequency

• Wavelength

The number of wave cycles that pass through a point in one second is called ___________.

• Wavelength

• Velocity

• Frequency

• Amplitude

Which of the following describes energy waves that travel in a vacuum at 3 × 10⁸ m/s?

• Mechanical waves

• Sound waves

• Electromagnetic radiation

• Seismic waves

When an electron absorbs energy, it ___________.

• Falls to a lower energy level

• Jumps to a higher energy level

• Stops moving

• Releases photons

When an electron emits energy, it ___________.

• Jumps to a lower energy level

• Jumps to a higher energy level

• Becomes neutral

• Remains stationary

When current passes through a gas or vapor, the electrons become ___________.

• Neutralized

• Destroys

• Energized

• Stabilized

The pattern formed when light passes through a prism to separate into different frequencies is called the ___________.

• Continuous spectrum

• Light diffraction

• Photon emission

• Atomic emission spectrum

Different wavelengths result in ____ color of light.

• Same

• Different

• No

Each element emits ____ colors of light.

• Same

• No

• Specific

The atomic emission spectrum of each element is like a person’s ____.

• Eye

• Face

• Fingerprint

• Steps