Chemistry Quiz

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Questions and Answers

What does chemistry study?

  • The properties and behavior of matter (correct)
  • The properties of rocks
  • The behavior of DNA
  • The behavior of plants

Which scientific discipline does chemistry fall under?

  • Chemistry (correct)
  • Physics
  • Biology
  • Geology

What does chemistry explain?

  • The formation of ozone
  • The workings of medications (correct)
  • The growth of plants
  • The formation of rocks

Which scientific disciplines does chemistry provide a foundation for understanding?

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

What is chemistry sometimes called?

<p>The central science (B)</p> Signup and view all the answers

According to VSEPR theory, the valence electron pairs surrounding an atom tend to __________ each other.

<p>repel (D)</p> Signup and view all the answers

Who are the two main developers of VSEPR theory?

<p>Ronald Gillespie and Ronald Nyholm (D)</p> Signup and view all the answers

What does VSEPR theory predict about the geometry of individual molecules?

<p>The number of valence electron pairs (C)</p> Signup and view all the answers

What insights of VSEPR theory are derived from topological analysis of the electron density of molecules?

<p>Quantum chemical topology (QCT) methods (D)</p> Signup and view all the answers

According to Gillespie, what is more important in determining molecular geometry than electrostatic repulsion?

<p>Electron-electron repulsion (A)</p> Signup and view all the answers

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