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Comprehensive Cell Biology and Molecular Foundations for Life Exam – Verified Questions and Answers for an A Grade

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Comprehensive Cell Biology and Molecular Foundations for Life Exam – Verified Questions and Answers for an A Grade

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Comprehensive Cell Biology and Molecular
Foundations for Life
Exam – Verified Questions and Answers for an A
Grade

What is the fundamental unit of matter? - CORRECT ANSWERS The atom.



What particles make up an atom? - CORRECT ANSWERS Protons, neutrons, and
electrons.



How does the number of protons affect an atom? - CORRECT ANSWERS It
determines the identity of the atom.



What determines the mass of an atom? - CORRECT ANSWERS The combined
number of protons and neutrons.



What determines the charge of an atom? - CORRECT ANSWERS The number of
protons versus the number of electrons.



What are orbitals in relation to an atom? - CORRECT ANSWERS Regions where
negatively charged electrons travel around the nucleus.



What does the periodic table reflect? - CORRECT ANSWERS A regular and
repeating pattern in the chemical behavior of elements.



What are valence electrons? - CORRECT ANSWERS Electrons that occupy the
outermost energy level (shell) of an atom.

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