atomic concept october 2, 2015. quiz 4 – 10/02/2015 clear your desk pencil only 10 minutes...
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ATOMIC CONCEPTOCTOBER 2, 2015
QUIZ 4 – 10/02/2015Clear your deskPENCIL only10 minutesIndividual work and you are silentIf you finish early, silently review
your workNOTE: make sure to complete the
header
NOTEBOOK CHECKNOTEBOOK CHECK 2 TODAYPUT IN GREEN BIN AT END OF
CLASS◦REGENT PERIODIC TABLE◦ATOMIC TIMELINE◦DO NOW FOR 9/28◦DO NOW FOR 9/30◦DO NOW 10/1◦COMPLETED QUESTIONS TO CONSIDER
QUIZ 4
AIMHow can bright-line spectrum
be utilized to identify elements in a star?
Three Views Spectrum Demonstratorhttp://
astro.unl.edu/classaction/animations/light/threeviewsspectra.html◦Point the flashlight directly at light
bulb◦Point the flashlight at the gas cloud◦Point the flashlight at the gas cloud
away from the light bulb
SPECTRUMCONTINUOUS SPECTRUMEMISSION SPECTRUMABSORPTION SPECTRUM
BRIGHT-LINE SPECTRUMEMISSION SPECTRUM
WHAT IS IN THE UNKNOWN?
REGENT
HW-01-02Q1: State the total number of
valence electrons in a cadmium atom in the ground state.
Q2Identify all the elements in the
mixture
Q3Explain, in terms of both
electrons and energy, how the bright-line spectrum of an element is produced.
Q4List all elements present in
unknown sample W.
Q5List all elements present in
unknown sample X.
Q6List all elements present in
unknown sample Y.
Q7List all elements present in
unknown sample Z.
Q8 – REAL LIFE APPLICATION
How can bright-line spectrum be utilized to identify elements in a star?
SUPERMOON LUNAR ECLIPSE
SUMMARY TO TODAY LESSON
HOMEWORK REMINDER◦Study for Quiz 3