124 134 • Name:

  1. The Corning digital hot plate uses 8.7 amperes at 1043 Watts of power.
    Electrical appliance
    1. __________ _____ Calculate the voltage for the hot plate.
    2. __________ _____ Calculate the resistance R for the hot plate.
  2. A Whirlpool dryer uses 26 amps of current at 240 volts.
    Electrical appliance Electrical appliance
    1. __________ _____ Calculate the resistance R for the dryer.
    2. __________ _____ Calculate the power P for the dryer.
  3. A Haier household refrigerator uses 1.2 amps of current at 115 volts.
    Electrical appliance Electrical appliance
    1. __________ _____ Calculate the resistance R for the refrigerator.
    2. __________ _____ Calculate the power P for the refrigerator.
  4. Periodic table element 30 Zn 65
    1. __________ What is the atomic number of Zn?
    2. __________ What is the atomic mass of Zn?
    3. __________ How many protons does Zn have?
    4. __________ How many neutrons does Zn have?
    5. __________ How many electrons does Zn have?
    6. ____________________ Zn was an element tested in the electrical conductivity, what is the full name for Zn?
  5. Atomic schematic protons neutrons electrons P13 N14 Atomic center translation Orbitals Remember that the number of neutrons equals or exceeds the number of protons. The number of protons cannot exceed the number of neutrons in a stable element. Thus the more numerous nucleons are the neutrons.
    1. _______________ Looking only at the atomic diagram, determine the atomic number of the atom depicted.
    2. _______________ Looking at the diagram, what is the atomic mass for the atom?
    3. _______________ Looking at the diagram and the chart on the wall, what is the one or two letter chemical abbreviation for this element?
    4. _______________ Looking at the diagram and the chart on the wall, what is the full name for this element?
  6. _______________ What is the common name for compound with the formula H2O?
  7. _______________ In general, what color do acids tend to turn floral pigment fluids?
  8. _______________ In general, what color do bases tend to turn floral pigment fluids?
  9. _______________ Are lime fruits acid, base, or neutral?
  10. _______________ Is vinegar an acid, base, or neutral?
  11. _______________ Is cream of tartar an acid, base, or neutral?
  12. _______________ Is water an acid, base, or neutral?
  13. _______________ Is baking soda an acid, base, or neutral?
  14. _______________ Is ammonia an acid, base, or neutral?
  15. _______________ Is a bar of hand soap an acid, base, or neutral?
  16. _______________ Is laundry detergent an acid, base, or neutral?
  17. _______________ Is bleach an acid, base, or neutral?

Voltage V = current i * resistance R |•|•|•| Power P = iV