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NOVA: Hunting the Elements - Chemistry Exercises and Questions, Exercises of Chemistry

Haute ècole Lèonard de VinciChemistry

NOVA: Hunting the Elements. Part 1: Basic Chemistry. Blank Periodic Table. Fill in the parts of this periodic table covered by the documentary. Gold - Au.

Typology: Exercises

2021/2022

Uploaded on 08/05/2022

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Name: ________________________ Date: __________________ Period: __________
NOVA: Hunting the Elements
Part 1: Basic Chemistry
Blank Periodic Table
Fill in the parts of this periodic table covered by the documentary.
Gold - Au
1. Write the number of subatomic particles in gold:
a. Protons:
b. Neutrons:
c. Electrons:
2. Give one property of gold.
3. How much gold is in one ton of the mined rock?
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pf5
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Partial preview of the text

Download NOVA: Hunting the Elements - Chemistry Exercises and Questions and more Exercises Chemistry in PDF only on Docsity!

Name: ________________________ Date: __________________ Period: __________

NOVA: Hunting the Elements

Part 1: Basic Chemistry

Blank Periodic Table

Fill in the parts of this periodic table covered by the documentary.

Gold - Au

  1. Write the number of subatomic particles in gold:

a. Protons:

b. Neutrons:

c. Electrons:

  1. Give one property of gold.
  2. How much gold is in one ton of the mined rock?
  1. How much is each truckload of ore worth, once the gold is extracted?
  2. What determines how reactive an element is?
  3. Write and color code the noble metals on the blank periodic table.
  4. Why is gold so heavy?

Copper - Cu

  1. Write the number of subatomic particles in copper:

a. Protons:

b. Neutrons:

c. Electrons:

  1. List three uses of copper.
  2. Give one property of copper.

The Alloy

  1. What alloy does tin make when mixed with copper?
  2. How are atoms arranged in pure metals?
  3. Why isn’t pure copper used for bells instead of bronze?
  1. How many electrons can fill each of the orbital levels in the diagram below?

Chlorine - Cl

  1. Give the number of atomic particles in chlorine:

a. Protons –

b. Neutrons –

c. Electrons –

  1. Chlorine wants to ( take / give away ) one electron, becoming an ( ion / isotope ).
  2. Why do alkali metals and halogens react so strongly with other elements?
  3. What do sodium and chlorine make when combined?
  4. Compare the properties of each of the following:

Sodium (Na) Chlorine (Cl) Sodium Chloride (NaCl)

State of Matter

Reactive or Stable

Practical Use

Oxygen - O

  1. What is ANFO?
  2. What do each of the spikes on the ion chromatograph represent?
  3. This is the chemical reaction of the ANFO explosion. Explain what happens during this reaction to release so much heat energy.

C + NH 4 NO 3 – H 2 O + N 2 + O 2

  1. Write the chemical equation for the burning candle.
  2. Write the chemical equation for the formation of rust.
  3. Compare the speed and explosive force of gunpowder, emulsion-gel, and C4. Which is the fastest? Explain why.
  1. What conditions did the earliest bacteria need for energy production?
  2. What do cyanobacteria use for energy production? What do they release as waste?
  3. In the core sample collected from Yellowstone, which layer is the cyanobacteria?

Origin of the Elements

  1. What is the origin of hydrogen, the smallest element?
  2. Describe the process of fusion and how it produces helium.
  3. What happens when a star runs low on hydrogen fuel?
  4. What is created in supernova explosion?

Silicon and Glass

  1. What elements is sand made of?
  2. What is added to Gorilla Glass to make it stronger than normal glass?

Rare Earth Elements

  1. Where do most of the rare earth elements come from?
  2. How are the fifteen rare earth elements chemically similar?
  1. What elements are rare earth magnets usually made of?
  2. Why are rare earth elements in such short supply?
  3. How do sharks react to rare earth metals?
  4. Describe the following parts of the lemon shark experiment:

Independent Variable –

Dependent Variable –

Experimental Group –

Control Group –

Carbon Isotopes

  1. What is the difference between the compositions of these carbon isotopes?

Protons Electrons Neutrons

Carbon- 12

Carbon- 13

Carbon- 14

  1. What happens to Carbon-14 over time?
  2. Define radioactive half-life:
  3. Based on carbon dating, how long ago did the tree die?