Chemistry wizards, please give me the answers to these questions. I will be forever greatful to you?

Posted on 2014-11-17 09:59:00 in Chemistry by MAK

1.The tiny particles that make up light are called
a.Photonsb.protonsc. Positrons d.electrons

2.The flame produced by Cu2+ ions is blue, while Sr2+ ions produces a red flame.
Which has the longer wavelength?
a.Cu2+b. Sr2+c.both are the same d. more information is needed

3.Which of the ions above released the largest amount of energy?
a.Cu2+b.Sr2+c.both are the same d. more information is needed

4.As wavelength increases, frequency ____.
a.Increases b.decreases c.remains the same d.varies randomly

5.The distance between two successive crests of a wave is its
a.Amplitude b frequency c. wavelength d. velocity

6.Defined as the number of cycles of a wave per unit time is the
a.Amplitude b.frequency c.wavelength d.velocity

7.Colored light produced in the flame test was a result of __________ returning to _________.
a.Photons, excited state
b.Photons, ground state
c.Electrons, excited state
d.Electrons, ground

8.A ground state electron is at the ____________ possible energy level.
a.Lowest
b.Highest
c.Best
d.Worst

9.The wavelength associated with violet light is
a.400 nm b.500 nm c. 600 nm d.700 nm

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