Chemistry Honors Midterm Review

57 Questions | Total Attempts: 566

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Chemistry Honors Midterm Review - Quiz

A Review for the Chemistry Honors Midterm. BrawwRRR


Questions and Answers
  • 1. 
    Chemical Properties..
    • A. 

      Include changes of state of a substance

    • B. 

      Includes mass and color

    • C. 

      Include changes that alter the identity of a substance

    • D. 

      Can be observed w/o altering the identity of a substance.

  • 2. 
    A physical change occurs when a
    • A. 

      Peach spoils

    • B. 

      Copper bowl tarnishes

    • C. 

      Bracelet turns your wrist green

    • D. 

      Glue gun melts a glue stick

  • 3. 
    The state of matter in which a material has neither a definite shape nor a definite volume is the
    • A. 

      Gaseous state

    • B. 

      Liquid state

    • C. 

      Elemental state

    • D. 

      Solid state

  • 4. 
    The state of matter in which a material has a definite volume but no definite shape is the
    • A. 

      Gaseous state

    • B. 

      Solid state

    • C. 

      Frozen state

    • D. 

      Liquid state

  • 5. 
    A heterogeneous mixture is
    • A. 

      A uniform mixture

    • B. 

      A non-uniform mixture

  • 6. 
    A quantity that describes the concentration of matter is
    • A. 

      Weight

    • B. 

      Density

    • C. 

      Volume

    • D. 

      Mass

  • 7. 
    For numbers less than 0.1, such as 0.06, the zeros to the right of the decimal point but before the first nonzero digit
    • A. 

      Are significant.

    • B. 

      Show the decimal place of the first digit.

    • C. 

      Show that the zero on the left side of the decimal is not significant.

    • D. 

      Show uncertainty

  • 8. 
    The rays produced in a cathode tube in early experiments were
    • A. 

      Unaffected by a magnetic field.

    • B. 

      Deflected away from a negative plate.

    • C. 

      Found to carry a positive charge

    • D. 

      Striking the cathode.

  • 9. 
    A positively charged particle with mass 1.673 x 10-24 g is a(n)
    • A. 

      Proton

    • B. 

      Neutron

    • C. 

      Electron

    • D. 

      Positron

  • 10. 
    If electromagnetic radiation A has a lower frequency than electromagnetic radiation B, then compared to B the wavelength of A is
    • A. 

      Longer

    • B. 

      Shorter

    • C. 

      Equal

    • D. 

      Exactly half the length of B's wavelength

  • 11. 
    The wave model of light did not explain
    • A. 

      The frequency of light

    • B. 

      The continuous spectrum.

    • C. 

      Interference.

    • D. 

      The photoelectric effect

  • 12. 
    For an electron in an atom to change from the ground state to an excited state,
    • A. 

      Energy must be released.

    • B. 

      Energy must be absorbed

    • C. 

      Radiation must be emitted.

    • D. 

      The electron must make a transition from a higher to a lower energy level

  • 13. 
    For the/sublevel, the number of orbitals is
    • A. 

      5

    • B. 

      7

    • C. 

      9

    • D. 

      18

  • 14. 
    The statement that no two electrons in the same atom can have the same four quantum numbers isPauli exclusion principle.
    • A. 

      Pauli exclusion principle.

    • B. 

      Hund's rule.

    • C. 

      Bohr's law.

    • D. 

      The Aufbau principle.

  • 15. 
    The electron configuration for the carbon atom (C) is Is2 2S2 2p2. The atomic number of carbon is
    • A. 

      3

    • B. 

      6

    • C. 

      11

    • D. 

      12

  • 16. 
    Mendeleev noticed that properties of elements usually repeated at regular intervals when the elements were arranged in order of increasing
    • A. 

      Atomic number

    • B. 

      Density

    • C. 

      Reactivity

    • D. 

      Atomic mass

  • 17. 
    Mendeleev did not always list elements in his periodic table in order of increasing atomic mass because he grouped together elements with similar
    • A. 

      Properties

    • B. 

      Atomic numbers

    • C. 

      Densities

    • D. 

      Colors

  • 18. 
    What are the radioactive elements with atomic numbers from 90 to 103 in the periodic table called?
    • A. 

      The noble gases

    • B. 

      The lanthanides

    • C. 

      The actinides

    • D. 

      The rare-earth elements

  • 19. 
    The periodic law states that the physical and chemical properties of elements are periodic functions oftheir atomic
    • A. 

      Masses

    • B. 

      Numbers

    • C. 

      Radii

    • D. 

      Structures

  • 20. 
    Within the p-block elements, the elements at the top of the table, compared with those at the bottom,
    • A. 

      Have larger radii

    • B. 

      Are more metallic

    • C. 

      Have lower ionization energies

    • D. 

      Are less metallic

  • 21. 
    Which orbitals are characteristic of the lanthanide elements?
    • A. 

      D orbitals

    • B. 

      S orbitals

    • C. 

      F orbitals

    • D. 

      P orbitals

  • 22. 
    A neutral group of atoms held together by covalent bonds is a
    • A. 

      Molecular formula

    • B. 

      Chemical formula

    • C. 

      Compound

    • D. 

      Molecule

  • 23. 
    A chemical bond formed by the attraction between positive ions and surrounding mobile electrons is a(n)
    • A. 

      Nonpolar covalent bond

    • B. 

      Ionic bond

    • C. 

      Polar covalent bond.

    • D. 

      Metallic bond

  • 24. 
    According to VSEPR theory, the electrostatic repulsion between electron pairs surrounding an atom causes
    • A. 

      An electron sea to form.

    • B. 

      Positive ions to form.

    • C. 

      These pairs to be separated as far as possible

    • D. 

      Light to reflect

  • 25. 
    The following molecules contain polar bonds. The only polar molecule is
    • A. 

      CCI4•

    • B. 

      CO2•

    • C. 

      NH3•

    • D. 

      CH4•

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