Question 1 of 12 40/ 40 Points Having learned about...

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You have 5 minutes left. Press 'Esc' or click 'X' to return to your assessment. The timer will continue to count down whether or not you close this window. Time Expired! All of your answers are being submitted Lesson 4 Quiz Return to Assessment List Comment: Thanks for your submission. Please carefully review the questions you got wrong and let me know what still puzzles you so I can help explain it. Part 1 of 3 - 20.0/ 20.0 Points Question 1 of 12 4.0/ 4.0 Points Having learned about electromagnetic radiation in this lesson, which of these statements about it is true?
Feedback: Good. See section 9.3 Question 2 of 12 4.0/ 4.0 Points `Which of the following is false about alkali metals?
Feedback: Good. See sections 9.7 and 9.9

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