Name: ________________________ Date: __________________ Period: __________
NOVA: Hunting the Elements
Gold - Au
- Write the number of subatomic particles in gold:
- Protons: _____
- Neutrons: _____
- Electrons: _____
- How much gold is in one ton of the mined rock? _________________
- How much is each truckload of ore worth, once the gold is extracted? _________
- What determines how reactive an element is? ___________________________
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Copper - Cu
- Write the number of subatomic particles in copper:
- Protons: _____
- Neutrons: _____
- Electrons: _____
- List two uses of copper.
- _______________________
- _______________________
The Alloy
- What alloy does tin make when mixed with copper?
_______________________________
- Why isn’t pure copper used for bells instead of bronze? ____________________
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Electron Microscope
- What part of the atom is actually visible under the microscope? ______________________________
- What do protons determine about an element? ___________________________
- What is the number of protons called? _________________________________
- Label the atomic number, symbol, and atomic mass of calcium below:
- What do electrons determine? ________________________________________
Chlorine - Cl
- Give the number of atomic particles in chlorine:
- Protons: _____
- Neutrons: _____
- Electrons: _____
Circle One:
- Chlorine wants to (take / give away) one electron, becoming an ( ion / isotope ).
- Why do alkali metals and halogens react so strongly with other elements?
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- What do sodium and chlorine make when combined? _____________________
Oxygen - O
- Write the chemical equation for the burning candle.
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- Write the chemical equation for the formation of rust.
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- Compare the speed and explosive force of gunpowder, emulsion-gel, and C4. Which is the fastest? Explain why._____________________________________
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Elements of Life
- List the six most common elements of life, a common object they are found in, and an important property.
Element Symbol | Element Name | Common Object |
C |
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H |
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N |
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O |
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P |
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S |
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Origin of the Elements
- What is the origin of hydrogen, the smallest element? _____________________
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- Describe the process of fusion and how it produces helium. _________________
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24. What is created in a supernova explosion? _____________________________
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Silicon and Glass
- What elements is sand made of? ______________________________________
- What is added to Gorilla Glass to make it stronger than normal glass?
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Rare Earth Elements
- Where do most of the rare earth elements come from? ____________________
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- What elements are rare earth magnets usually made of? ___________________
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- Why are rare earth elements in such short supply? ________________________
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Carbon Isotopes
- What is the difference between the these carbon isotopes?
| Protons | Neutrons | Electrons |
Carbon-12 |
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Carbon-13 |
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Carbon-14 |
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- What happens to Carbon-14 over time? ________________________________
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Nuclear Radiation
- Give the number of subatomic particles in uranium:
- Protons: _____
- Neutrons: _____
- Electrons: _____
- What element was used as fuel for the “Little Boy” bomb? __________________
- What element was used as fuel for the “Fat Man” bomb? ___________________
- What did you find most interesting about the video? Explain why using evidence from the video. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________