134 • Name:

1. 1. __________ What is the atomic number of Cu?
   2. __________ What is the atomic mass of Cu?
   3. __________ How many protons does Cu have?
   4. __________ How many neutrons does Cu have?
   5. __________ How many electrons does Cu have?
   6. ____________________ Cu was an element tested in the electrical conductivity, what is the full name for Cu?
2. Key to the nucleons in the diagram on the right: Protons: ○. Neutrons: ●.
   1. _______________ Looking only at the diagram of the atom, 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. _______________ Very challenging question: Looking at the diagram and the chart on the wall, what is the full name for this element?
3. _______________ What is the common name for compound with the formula H₂O?
4. _______________ In general, what color do acids tend to turn floral pigment fluids?
5. _______________ In general, what color do bases tend to turn floral pigment fluids?
6. _______________ Are lime fruits acid, base, or neutral?
7. _______________ Is baking soda an acid, base, or neutral?
8. _______________ Is ammonia an acid, base, or neutral?
9. _______________ Is a bar of hand soap an acid, base, or neutral?
10. _______________ Is laundry detergent an acid, base, or neutral?
11. _______________ Is bleach an acid, base, or neutral?
12. _______________ Is vinegar an acid, base, or neutral?
13. _______________ Is cream of tartar an acid, base, or neutral?
14. _______________ Is water an acid, base, or neutral?