Chemistry Chapter 2 Quiz
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Questions and Answers

What does the periodic table predominantly consist of?

  • Symbols and atomic numbers (correct)
  • Color-coded groups only
  • Mathematical formulas
  • Images of elements

    • What additional information is noted on the periodic table?

  • Historical discovery dates
  • Physical appearance of elements
  • Chemical reaction rates
  • Valence numbers and possible groups (correct)

    • What characteristic does the periodic table include notes about?

  • Conductivity of metals only
  • Atomic mass of each element
  • Nuclear stability
  • Non-metals (correct)

    • How is the periodic table organized?

    <p>In rows and columns</p> Signup and view all the answers

    What is the quality of the handwriting on the periodic table?

    <p>It is somewhat messy but recognizable</p> Signup and view all the answers

    What particle did Rutherford discover?

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

    Which scientist is credited with the discovery of the neutron?

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

    In which type of experiment were electrons found to be deflected?

    <p>Cathode ray tube experiments</p> Signup and view all the answers

    Which type of bond involves the sharing of electrons between atoms?

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

    What inconsistency is associated with atomic models?

    <p>Models explaining energy levels</p> Signup and view all the answers

    What charge does the electron carry?

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

    What characterizes metallic bonds?

    <p>Delocalized electrons in a 'sea' of electrons</p> Signup and view all the answers

    Which compound displays ionic bonding?

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

    What type of bond is formed in diamond?

    <p>Covalent atomic bond</p> Signup and view all the answers

    Which statement is true regarding polar substances?

    <p>They have some level of conductivity.</p> Signup and view all the answers

    What characterizes the orbits of electrons in the Bohr model?

    <p>Electrons orbit the nucleus in fixed energy levels.</p> Signup and view all the answers

    Which of the following bonds is formed by the sharing of electrons between nonmetals?

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

    Which Lewis structure correctly represents the HCN molecule?

    <p>H - C ≡ N</p> Signup and view all the answers

    What is the electronic configuration of a sulfur atom?

    <p>1s^2 2s^2 2p^6 3s^2 3p^4</p> Signup and view all the answers

    What defines the nature of polar and nonpolar substances?

    <p>The electronegativity of the bonded atoms.</p> Signup and view all the answers

    What is the atomic number of nitrogen?

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

    Which of the following is an isotope of nitrogen?

    <p>N-15</p> Signup and view all the answers

    What is the mass of the nitrogen isotope N-14?

    <p>1.0 × 10^-22 Kg</p> Signup and view all the answers

    What is the chemical formula for potassium oxide?

    <p>K2O</p> Signup and view all the answers

    What is the overall calculated atomic mass for nitrogen approximately?

    <p>10.8020 u</p> Signup and view all the answers

    Which type of intermolecular force is associated with the attraction between polar molecules?

    <p>Dipole-Dipole Forces</p> Signup and view all the answers

    What is the molecular mass of $Cl_2$?

    <p>71</p> Signup and view all the answers

    At what temperature does $Br_2$ boil?

    <p>59 °C</p> Signup and view all the answers

    Which gas has the highest molecular mass among the given options?

    <p>$I_2$</p> Signup and view all the answers

    What type of forces would you expect to exist in nonpolar molecules like $O_2$?

    <p>London Dispersion Forces</p> Signup and view all the answers

    What does the Lewis structure of HCN illustrate?

    <p>The bonding between Hydrogen, Carbon, and Nitrogen</p> Signup and view all the answers

    Which group of the periodic table contains the Alkali Metals?

    <p>Group 1</p> Signup and view all the answers

    What did Dalton propose in his atomic theory?

    <p>Atoms are indivisible and indestructible.</p> Signup and view all the answers

    What type of bond is formed in K₂O?

    <p>Ionic bond</p> Signup and view all the answers

    What was the main contribution of Thomson to atomic theory?

    <p>Discovery of the electron.</p> Signup and view all the answers

    What characteristic is typical of metallic bonding?

    <p>Atoms lose electrons</p> Signup and view all the answers

    What experiment did Rutherford conduct to advance atomic theory?

    <p>Gold Foil Experiment.</p> Signup and view all the answers

    Which subatomic particle did Millikan determine the charge of?

    <p>Electron.</p> Signup and view all the answers

    Which of the following statements is true about diamond and graphite?

    <p>Diamond features a strong covalent network structure</p> Signup and view all the answers

    Which atomic model proposed that electrons are embedded in a positively charged sphere?

    <p>Plum Pudding Model.</p> Signup and view all the answers

    Which group in the periodic table is known as the Chalcogens?

    <p>Group 16</p> Signup and view all the answers

    What does the term 'sea of electrons' refer to in the context of metallic bonding?

    <p>The mobility of electrons in a metallic lattice</p> Signup and view all the answers

    In which structure does ionic bonding mainly occur?

    <p>Ion lattice structure</p> Signup and view all the answers

    What type of intermolecular force involves interactions between molecules that have permanent dipoles?

    <p>Dipole-Dipole Forces</p> Signup and view all the answers

    Which of the following elements is least likely to exhibit strong London Dispersion Forces?

    <p>Neon ($Ne$)</p> Signup and view all the answers

    In the context of the Bohr model, which of the following best describes the concept of electron orbits?

    <p>Electrons are found at fixed distances from the nucleus.</p> Signup and view all the answers

    Which statement about hydrogen bonds is correct?

    <p>They are typically weaker than covalent bonds.</p> Signup and view all the answers

    What data might be included in a typical table of melting and boiling points of elements?

    <p>Tabulated values for boiling points and potential phase transitions.</p> Signup and view all the answers

    What does the notation 5s2 p6 d10 f14 represent?

    <p>Electron configuration for an element</p> Signup and view all the answers

    How is atomic mass calculated according to the formula provided?

    <p>By the sum of all isotopes' mass multiplied by their relative abundances</p> Signup and view all the answers

    What occurs during the production of atomic emission spectra?

    <p>Electrons return to the ground state after gaining energy</p> Signup and view all the answers

    Which of the following steps is NOT part of the formulation of acids and ternary salts?

    <p>Write the corresponding hydroxide</p> Signup and view all the answers

    What is the value of the atomic mass unit (mu) in kg?

    <p>$1.66 imes 10^{-27}$ kg</p> Signup and view all the answers

    Study Notes

    Periodic Table

    • The image shows a hand-drawn periodic table.
    • Elements are organized by atomic number and properties.
    • Various data are written in the boxes, suggesting calculations or notes are made for each element.
    • Some elements have additional handwritten notations.

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    Test your knowledge on the periodic table and atomic structure with this comprehensive quiz. Explore questions on bonding types, atomic particles, and key scientific discoveries. Perfect for students reviewing Chemistry chapter topics or anyone looking to strengthen their science foundation.

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