The Ultimate Periodic Table Quiz
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Questions and Answers

What is the basis for the structure of the periodic table?

  • The number of electrons in the elements
  • The atomic mass of the elements
  • The properties of the elements
  • The number of protons in the elements (correct)

    • Which group of elements is exemplified by groups 1, 2, and 13-18?

  • Halogens
  • Transition metals
  • Alkali metals (correct)
  • Noble gases

    • Which trend in the periodic table refers to the energy required to remove an electron from an atom?

  • Ionic radii
  • 1st ionisation energy (correct)
  • Atomic radii
  • Valencies

    • What are the main trends shown by elements across periods and down groups in the periodic table?

    <p>The main trends shown by elements across periods and down groups in the periodic table include atomic radii, valencies, ionic radii, 1st ionisation energy, and electronegativities.</p> Signup and view all the answers

    How is the structure of the periodic table based?

    <p>The structure of the periodic table is based on the atomic number and the properties of the elements.</p> Signup and view all the answers

    Which groups and period are used as examples to exemplify the trends in the periodic table?

    <p>Groups 1, 2, 13-18 and period 3 are used as examples to exemplify the trends in the periodic table.</p> Signup and view all the answers

    What is the definition of half-life nuclear decay?

    <p>The time it takes for half the atoms in a radioactive sample to decay</p> Signup and view all the answers

    What is the difference between heterogenous and homogenous mixtures?

    <p>Heterogenous mixtures have visibly different parts, while homogenous mixtures have uniform composition</p> Signup and view all the answers

    What are the three aspects in which Biofuels differ from Fossil fuels?

    <p>Energy output, renewability, and uses</p> Signup and view all the answers

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