Basic Chemistry for Bioscience: Atoms, Elements, and Compounds
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Questions and Answers

What is the smallest particle of a chemical element?

  • Compound
  • Atom (correct)
  • Molecule
  • Mixture

    • What is the significance of chemistry in the human body?

  • It has no role in the human body
  • It only affects the brain
  • It controls basic processes, such as DNA and protein formation (correct)
  • It only affects the heart

    • Why is an understanding of chemical concepts important for healthcare professionals?

  • It helps in understanding key A&P concepts and disease processes (correct)
  • It only helps in understanding patient medical history
  • It only helps in understanding patient demographics
  • It is not relevant to healthcare professionals

    • What is the term for the smallest unit of matter that still retains the properties of an element?

    <p>Atom</p> Signup and view all the answers

    What is the relationship between atoms and molecules?

    <p>Molecules are formed from atoms</p> Signup and view all the answers

    What is the role of chemistry in the development of drugs?

    <p>It helps in understanding how drugs interact with proteins on the surface of cells</p> Signup and view all the answers

    What is the definition of an atom in Greek?

    <p>A- = not, tom = to cut</p> Signup and view all the answers

    What is an element?

    <p>A pure substance made from only one type of atom</p> Signup and view all the answers

    What is the charge of an electron?

    <p>Negative</p> Signup and view all the answers

    What is a molecule?

    <p>A particle made up of multiple atoms</p> Signup and view all the answers

    Which of the following is best described as an element?

    <p>Helium and hydrogen</p> Signup and view all the answers

    Which of the following is NOT a type of particle?

    <p>Element</p> Signup and view all the answers

    What is the minimum number of atoms required to form a molecule?

    <p>2</p> Signup and view all the answers

    What is the definition of an ion?

    <p>An atom or molecule that has an electrical charge</p> Signup and view all the answers

    What is the fundamental difference between ionic and covalent bonds?

    <p>The transfer or sharing of electrons</p> Signup and view all the answers

    Which shell of an atom participates in bonding?

    <p>Outermost shell</p> Signup and view all the answers

    What is the term for a substance formed from two or more different elements?

    <p>Compound</p> Signup and view all the answers

    In a covalent bond, what do the atoms do with their electrons?

    <p>Share them</p> Signup and view all the answers

    What is the primary function of enzymes in cells?

    <p>To catalyze biochemical reactions</p> Signup and view all the answers

    What is the active site of an enzyme?

    <p>A small region on the surface of the enzyme involved in catalysis</p> Signup and view all the answers

    What is the pH of a neutral solution?

    <p>7</p> Signup and view all the answers

    What is the definition of an acid?

    <p>A substance that donates protons</p> Signup and view all the answers

    What is the range of pH values?

    <p>0-14</p> Signup and view all the answers

    What is the role of hydrogen ions in pH?

    <p>They decrease the pH of a solution</p> Signup and view all the answers

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