Electromagnetic Spectrum and Electron Configurations

Order the following regions of the EM spectrum by wavelength, from longest to shortest: Visible, gamma, infrared.

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NGSS.HS-PS4-1

Which EM waves are invisible? (more than one correct answer)

• radio

• visible

• ultraviolet

• gamma rays

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Considering frequency of 10⁹ Hz and frequency of 10¹¹ Hz, which type of radiation has the LONGER wavelength?

• 10⁹ Hz

• 10¹¹ Hz

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NGSS.HS-PS4-1

Which type of radiation has the HIGHER frequency?

• (a)

• (b)

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NGSS.HS-PS4-1

2. _____ will have two dots on the left-hand side, two on the top, one on the right-hand side, and one on the bottom of the symbol.

• Phosphorus

• Argon

• Chlorine

• Sulfur

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NGSS.HS-PS1-1

A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low

• high, high

• low, high

• low, low

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NGSS.HS-PS4-1

Which letter is the trough?

• B
• C
• F
• E

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The red section of the wave is measuring _________________.

• wavelength

• crest

• trough

• amplitude

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NGSS.HS-PS4-1

12. A subshell that contains 5 orbitals is ... subshell.

• d

• s

• f

• p

1. _____ are the electrons in the highest occupied energy level of the atom.

• Kernel electrons

• Ground state

• Valence electrons

• Excited state

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