Hunting the Elements
Answer the following questions as you watch the video.
1. Write the number of subatomic particles in a gold atom:
a. # of protons: _
b. # of neutrons:_
c. # of electrons:_
2. State one property of gold. _
3. How much gold is in a ton of the mined rock? _
4. How much is each truckload of ore worth, one the gold is extracted? _
5. What determines how reactive an element is? _
6. Why is gold so heavy? _
7. Write the number of subatomic particles in a copper atom:
a. # of protons: _
b. # of neutrons:_
c. # of electrons:_
8. List three uses of copper. _
9. Give one property of copper. _
10. What alloy does tin make when combined with copper? _
11. How are atoms arranged in pure metals? _
12. Why isn’t pure copper used for bells instead of bronze? _