PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to...
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Transcript of PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to...
![Page 1: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/1.jpg)
PARTICULATE VIEW OF MATTER
![Page 2: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/2.jpg)
How big is an atom???
• Write down your answer!
• Let’s see
• Go to Baydar’s schoolwires and click on Chem Comm Sites
• How big is an atom?
![Page 3: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/3.jpg)
MATTER
• Matter- anything that occupies space and has mass; composed of one or more elements
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What’s an Element vs. an Atom?
• Atom- building block of all matter
• Element-matter that is made up of only 1 kind of atom
![Page 5: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/5.jpg)
The Element Song
• http://www.youtube.com/watch?v=zGM-wSKFBpo
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ELEMENTS
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ATOMS
• Made up of subatomic particles
• Proton- positive charge, in nucleus• Electron- negative charge, energy level• Neutron- no charge, nucleus
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ATOMS
![Page 9: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/9.jpg)
JOKE- Don’t Have to write this.• A NEUTRON walks into a diner and sits down to order a
meal.• When the waitress brings the food over the neutron says
“Can you bring the check? I am in a hurry!”• The waitress replies, “Don’t worry about it, there is NO
CHARGE for you.”
![Page 10: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/10.jpg)
COMPOUNDS
• Compounds- two or more elements that are chemically combined
• Represented by Chemical formulas
• Example: H20
• NaCl
![Page 11: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/11.jpg)
COMPOUNDS
• Properties of compounds may differ greatly from the elements that make them up
![Page 12: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/12.jpg)
Concept Check!
How are elements and compounds different?
![Page 13: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/13.jpg)
Molecules• Smallest unit of a particular substance• Held together by molecular bonds
![Page 14: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/14.jpg)
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Chemical Equations• Chemical formulas are like
words in an overall sentence, the chemical equation
• Reactants on left Products on right
• 2H2 + O2 2H2O
• H2 and O2 are diatomic molecules
![Page 16: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/16.jpg)
Name the Element for each symbol• 1. P• 2. Ni• 3. Cu• 4. Br• 5. K• 6. Na• 7. Fe
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Name the elements, and give the number of atoms of each element
• 1. H202
• 2. CaCl2
• 3. NaHCO3
• 4. H2SO4
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Think, Pair, Share- Do Now
• Write a chemical formula for nitrous oxide (laughing gas) that is made up of two atoms of nitrogen and one atom of oxygen.
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The Electrical Nature of Matter
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How do atoms make bonds??• Opposite charges attract
• Like charges repel
• Protons and electrons are responsible for bonding between atoms
![Page 22: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/22.jpg)
Ions• Ionic Compounds- Substances
composed of positive and negative ions
• Anion- Negatively charged ion (electron is gained)• Ex: Cl-
• Cation- Positively charged ion (electron is lost)• Ex: Na+
![Page 23: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/23.jpg)
JOKE- Don’t have to write this.
• Two atoms walk down the street and collide.• One atom says to the other, “Are you okay?”• The second atom replies, “I think I lost an electron.”
• The first atom says, “Are you sure?”• The second one says, “Yeah, I’m POSITIVE!”
![Page 24: PARTICULATE VIEW OF MATTER. How big is an atom??? Write down your answer! Let’s see Go to Baydar’s schoolwires and click on Chem Comm Sites How big is.](https://reader035.fdocuments.in/reader035/viewer/2022062321/56649ee75503460f94bf7d41/html5/thumbnails/24.jpg)
Real World Use of IONS• Lithium Ion Batteries
• Li+ Ions carry current from negative to positive electrode
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Common Ions