Which of the following statements is incorrect? a. Isotopes have the same atomic number and different mass numbers. b. Atoms have about the same number of electrons as protons. c. All molecules consist of atoms. d. Free radicals are dangerous because they emit energy

Which of the following statements is incorrect? a. Isotopes have the same atomic number and different mass numbers. b. Atoms have about the same number of electrons as protons. c. All molecules consist of atoms. d. Free radicals are dangerous because they emit energy

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter2: Life's Chemical Basis

Section: Chapter Questions

Problem 3SA

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Question

Which of the following statements is incorrect?
a. Isotopes have the same atomic number and different mass numbers.
b. Atoms have about the same number of electrons as protons.
c. All molecules consist of atoms.
d. Free radicals are dangerous because they emit energy

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