Atoms and Chemical Bonding Quiz
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Questions and Answers

What property of water is explained by the formation of hydrogen bonds?

  • Cohesive properties (correct)
  • Crystal structure in ice
  • High specific heat
  • Adhesive properties

In water, what does the polarity allow it to interact with?

  • Oxygen gas
  • Hydrophobic compounds
  • Uncharged polar compounds (correct)
  • Non-polar compounds

In the context of pH, what does a value of 7 signify?

  • Neutral solution (correct)
  • Basic solution
  • Alkaline solution
  • Acidic solution

What property defines a buffer?

<p>Suppresses changes in [H+] (B)</p> Signup and view all the answers

Which element is NOT mentioned as one of the most important elements of life in the text?

<p>Sulfur (C)</p> Signup and view all the answers

What type of bonds do membrane phospholipids form in water?

<p>Hydrogen bonds (C)</p> Signup and view all the answers

What is the primary factor that determines the elemental properties of an atom?

<p>The number of protons (D)</p> Signup and view all the answers

What causes electrons to move between shells?

<p>Input or release of energy (D)</p> Signup and view all the answers

Which type of bond arises when atoms share electrons?

<p>Covalent bond (C)</p> Signup and view all the answers

What is the primary reason water is considered a 'universal solvent' for life?

<p>Its ability to form hydrogen bonds (A)</p> Signup and view all the answers

Which of the following atoms is not considered essential for life?

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

What is the most stable atomic state?

<p>With paired electrons and filled electron shells (D)</p> Signup and view all the answers

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