Spectroscopy

A line spectrum is produced when an electron moves from one energy level

• into the nucleus

• to a higher energy level

• to another position in the same sublevel

• to a lower energy level

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NGSS.HS-PS1-2

What do spectroscopes do?

• Collect light to identify elements

• Refract light

• Absorb light

• Transmit light

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NGSS.HS-PS4-3

The _______________ determines the color of visible light. 

• wavelength

• speed

• amplitude

• light

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NGSS.HS-PS4-1

Which drawing represents the process by which an emission line is formed?

• A

• B

• C

• D

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NGSS.HS-PS1-2

NGSS.HS-PS4-3

For an electron to change from ground state to an excited stated it must...

• Absorb energy

• Release energy

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NGSS.HS-PS1-2

Based on the picture, choose the best description of how wavelength and frequency are related

• As wavelength increases, frequency increases

• As frequency increases, wavelength decreases

• As frequency increases, wavelength remains the same

• Frequency and wavelength mean the same thing

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NGSS.HS-PS4-1

If an electron moves from n=4 to n=2 it ____

• absorbs energy

• releases energy

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NGSS.HS-PS1-2

Put the visible light colors in order from longest wavelength to shortest wavelength

• Violet, Indigo, Blue, Green, Orange, Yellow, Red

• Red, Yellow, Green, Orange, Violet, Blue, Indigo

• Red, Orange, Yellow, Green, Blue, Indigo, Violet

Tags

NGSS.HS-PS4-1

What is the primary purpose of spectroscopy in scientific research?

• To measure the mass of substances

• To analyze the interaction between matter and electromagnetic radiation

• To determine the age of fossils

• To study the behavior of gases under pressure

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NGSS.HS-PS4-3

Which of the following types of spectroscopy is used to identify functional groups in organic compounds?

• Infrared (IR) Spectroscopy

• Ultraviolet-visible (UV-Vis) Spectroscopy

• Nuclear Magnetic Resonance (NMR) Spectroscopy

• Mass Spectrometry