Each Atom in the Periodic Table Has a Unique Set

question 28

Multiple Choice

Each atom in the periodic table has a unique set of spectral lines. Which one of the following statements is the best explanation for this observation?

• A)Each atom has a dense central nucleus.
• B)Electrons in atoms orbit the nucleus.
• C)Each atom has a unique set of energy levels that electrons can move between.
• D)Electrons in atoms are in constant motion.
• E)Each atom is composed of positive and negative charges.

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