124 134 • Name:

1. A Whirlpool dryer uses 26 amps of current at 240 volts.
   
   1. __________ _____ Calculate the resistance R for the dryer.
   2. __________ _____ Calculate the power P for the dryer.
2. 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?
3. [Note that in an atom the number of neutrons is equal to or greater than the number of protons. Thus the more numerous nucleons are the neutrons.]
   1. _______________ Looking only at the atomic diagram on this paper, 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. _______________ What is the common name for compound with the formula H₂O?
5. _______________ In general, what color do acids tend to turn floral pigment fluids?
6. _______________ In general, what color do bases tend to turn floral pigment fluids?
7. _______________ Are lime fruits acid, base, or neutral?
8. _______________ Is vinegar an acid, base, or neutral?
9. _______________ Is cream of tartar an acid, base, or neutral?
10. _______________ Is water an acid, base, or neutral?
11. _______________ Is baking soda an acid, base, or neutral?
12. _______________ Is ammonia an acid, base, or neutral?
13. _______________ Is a bar of hand soap an acid, base, or neutral?
14. _______________ Is laundry detergent an acid, base, or neutral?
15. _______________ Is bleach an acid, base, or neutral?
16. Draw a diagram on the back with protons, neutrons, and electrons for HF (hydrofluoric acid, a compound of Hydrogen and Fluorine).