Textbook Question
Which of the following can be most accurately described as a decomposition reaction?
a. C₆H₁₂O₆ + 6 O₂ → 6 H₂O + 6 CO₂
b. glucose + ATP → glucose phosphate + ADP
c. 6 H₂O + 6 CO₂ → C₆H₁₂O₆ + 6 O₂
d. A + BC → AB + C
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3. Chemical Principles of Microbiology
Atoms- Smallest Unit of Matter
Multiple Choice
A proton ___________:
a) Has one positive charge.
b) Has one AMU.
c) Is found in the nucleus of the atom.
d) Only a and b are true.
e) a, b, and c are true.
A
Has one positive charge.
B
Has one AMU.
C
Is found in the nucleus of the atom.
D
Only a and b are true.
E
a, b, and c are true.
Verified step by step guidance1
Understand the basic properties of a proton: A proton is a subatomic particle found in the nucleus of an atom.
Recognize that a proton has a positive charge: It carries a single positive charge, which is fundamental to its role in atomic structure.
Identify the mass of a proton: A proton has a mass of approximately 1 atomic mass unit (AMU), which is a standard unit of mass used to express atomic and molecular weights.
Locate where protons are found: Protons are located in the nucleus of an atom, along with neutrons, and they contribute to the atomic number of an element.
Combine the properties: Since a proton has a positive charge, a mass of 1 AMU, and is found in the nucleus, all three statements (a, b, and c) are true.
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