Chemistry Concepts Quiz #2
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Questions and Answers

Which particles make up an atom?

  • Protons and electrons
  • Neutrons and electrons
  • Protons and neutrons
  • Protons, neutrons, and electrons (correct)

Which compounds usually occur between a metal and a non-metal?

  • Acids
  • Covalent compounds
  • Ionic compounds (correct)
  • Bases

What is the pH range of acids?

  • 6.9-14
  • 0-6.9 (correct)
  • 0-14
  • 7-14

Which phase of water is less dense than its liquid phase?

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

Which group of elements in the Periodic Table is the most reactive?

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

Which group of elements in the Periodic Table is the most unreactive?

<p>Group 18 (D)</p> Signup and view all the answers
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