Unit 4 Review

What is A on the 1st diagram?

• Wavelength

• Amplitude

• Frequency

• Crest

What is B on the 1st diagram?

• Wavelength

• Amplitude

• Frequency

• Crest

What is C on the 1st diagram?

• Wavelength

• Amplitude

• Trough

• Crest

What is D on the 1st diagram?

• Wavelength

• Amplitude

• Trough

• Crest

Which type of radiation has the highest frequency?

• Radio

• Gamma Ray

• Microwave

• Visible light

Which type of radiation is the most dangerous?

• Radio

• Infrared

• Ultraviolet

• Gamma ray

Which light is more likely to be violet light?

• A

• B

Each element on the periodic table can be identified by its:

• classification as a solid, liquid or gas

• location in space

• ability to react to form compounds

• unique spectral "fingerprint."

Line emission spectra (as pictured right) is produced from atoms when:

• electrons release energy as they move to their excited state

• electrons release energy as they return to the ground state

• electrons absorb energy as they move to their excited state

• electrons absorb energy as they return to the ground state

The arrows in the diagram to the right depict...

• Emission of light energy

• Absorption of light energy

• Absorption and Emission of light energy

• Neither absorptions and emission of light energy