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TEST BANK FOR BIOLOGY 4TH EDITION BROOKER / CHAPTER 2 2024/2025
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TEST BANK FOR BIOLOGY 4TH EDITIONBROOKER / CHAPTER 2
Chapter 02 - The Chemical Basis of Life I: Atoms, Molecules, and Water
Chapter 02 The Chemical Basis of Life I: Atoms, Molecules, and Water
Multiple Choice Questions
1. The atomic number of an atom is
A. the number of protons in the atom.
B. the number of neutrons in the atom.
C. the number of protons and electrons in the atom.
D. the number of protons and neutrons in the atom.
E. None of these choices are correct.
,Chapter 02 - The Chemical Basis of Life I: Atoms, Molecules, and Water
2.
The smallest functional units of matter that cannot be further broken down by ordinary chemical or physical means are
A.
atoms.
B.
molecules.
C.
proteins.
D.
shells.
E.
bonds.
Check All That Apply Questions
,Chapter 02 - The Chemical Basis of Life I: Atoms, Molecules, and Water
3. With an atomic mass of 16 and an atomic number of 8, it follows that oxygen
X has eight electrons.
has 16 neutrons.
X can readily form bonds with 2 other atoms.
weighs 16 grams.
Multiple Choice Questions
4. The nucleus of an atom is composed of
A. protons.
B. neutrons.
C. electrons.
D. protons and neutrons.
E. protons and electrons.
5. Ernest Rutherford's key experiment on alpha particle bombardment of gold foil was
important to the development of
A. detection methods for protons.
B. alpha particle emitters.
C. gold as an element.
D. the modern model for atomic structure.
E. the concept that atoms have a homogenous distribution of protons throughout the atom.
, Chapter 02 - The Chemical Basis of Life I: Atoms, Molecules, and Water
6.
If a scientist were to shoot protons through an atom as Rutherford did with gold foil, he or she would likely find that
A. most of the protons passed straight through the atom.
B. few of the protons passed straight through the atom.
C. most of the protons deflected or bounced back from the atom.
D.
most of the protons were absorbed by the atom.
E.
the atom emitted electrons.
7.
The first, innermost energy shell of an atom
A. can have a maximum of 8 electrons.
B. can have a maximum of 2 electrons.
C. is called the 2p orbital.
D. is called the 1s orbital and can have a maximum of 8 electrons.
E. is called the 2p orbital and can have a maximum of 2 electrons.
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