Organic Chemistry Assessment
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Questions and Answers

What is the main focus of organic chemistry?

  • The study of physical properties of elements
  • The study of atomic structure
  • The study of inorganic compounds
  • The study of carbon-containing compounds and materials (correct)

How is the atomic number of an atom defined?

  • The sum of its protons and neutrons
  • The number of neutrons in its nucleus
  • The sum of its protons and electrons
  • The number of protons in its nucleus (correct)

What are isotopes?

  • Atoms with the same number of protons and neutrons
  • Atoms with the same mass number and atomic number
  • Atoms with the same mass number but different atomic numbers
  • Atoms with different mass numbers and atomic numbers (correct)

What methods are used to study the structure of organic compounds?

<p>Spectroscopy, mass spectrometry, and physical methods (D)</p> Signup and view all the answers

How can the distribution of electrons in an atom be visualized?

<p>As concentric shells surrounding the nucleus (D)</p> Signup and view all the answers

Organic chemistry is solely concerned with the study of carbon-containing compounds.

<p>True (A)</p> Signup and view all the answers

Isotopes have the same mass number but different atomic numbers.

<p>False (B)</p> Signup and view all the answers

The atomic number of an atom is equal to the number of protons in its nucleus.

<p>True (A)</p> Signup and view all the answers

The mass number of an atom is the sum of its protons and electrons.

<p>False (B)</p> Signup and view all the answers

Electrons in an atom occupy a single shell surrounding the nucleus.

<p>False (B)</p> Signup and view all the answers

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