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Evan Silberstein

 (55)
United States - New York - Nanuet
Evan Silberstein
3.9
143 votes
Visit www.evanschemistrycorner.com for free resources to go with my Power Points.
 
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The Factor Label Method
The Factor Label Method
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Scientific Notation (Writing Very Big or Very Small Numbers)
Scientific Notation (Writing Very Big or Very...
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Significant Figures (Tracking Placeholders)
Significant Figures (Tracking Placeholders)
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Moles - The Mathematics of Chemistry
Moles - The Mathematics of Chemistry
By Evan Silberstein
Moles seem mysterious to many secondary students. Avogadro's number is one of the culprits. Although it is possible to do a slew of factor label problems with Avogadro's number, it is not the primary value of the mole concept in chemistry. This
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
7 ratings
4.0
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Electron Configurations
Electron Configurations
By Evan Silberstein
Electron configurations come in several varieties: Bohr notation; sublevel notation; and orbital notation. This PowerPoint show explains the energy considerations for electron placement and develops a model to determine the order of filling. This
Subjects:
Chemistry
Grades:
10th, 11th, 12th
Types:
Lectures, PowerPoint Presentations
$2.00
6 ratings
3.9
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Reaction Types - Patterns of Chemical Reactions
Reaction Types - Patterns of Chemical Reactions
By Evan Silberstein
Chemical reactions follow four basic patterns: Synthesis; decomposition; single replacement; and double replacement. This Powerpoint presentation describes, explains, and helps students to recognize these basic reaction types. Free worksheets for
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
3 ratings
4.0
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Covalent Bonding - Sharing is Pairing
Covalent Bonding - Sharing is Pairing
By Evan Silberstein
This Powerpoint presentation focuses on the nature of covalent bonding. It provides the tools to determine bond type by using electronegativities. The differences between polar and nonpolar covalent bonds is discussed. Free worksheets on this topic
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
3 ratings
3.0
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Heat - q = m C ΔT
Heat - q = m C ΔT
By Evan Silberstein
This Powerpoint presentation explores the relationship between heat and temperature. It develops the equation q = m C ΔT, where q is heat, m is mass, C is specific heat capacity, and ΔT is the temperature change. The presentation explains the logic
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
5 ratings
4.0
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Drawing Lewis Structures
Drawing Lewis Structures
By Evan Silberstein
The localized electron model uses Lewis structures to predict molecular shapes. Lewis structures show the bonds and lone pair electrons of a molecule. A line is used to represent each bond and dots are used to represent the electrons. This
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
6 ratings
3.8
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The Quantum Mechanical Model - Beyond Hydrogen
The Quantum Mechanical Model - Beyond Hydrogen
By Evan Silberstein
Are the electrons really moving in circles? Bohr was unable to explain why his proposed orbits were stable. Even worse, Bohr could only explain the line spectrum of hydrogen. This PowerPoint starts with Bohr's flaws, and explores DeBroglie,
Subjects:
Chemistry
Grades:
10th, 11th, 12th
Types:
Lectures, PowerPoint Presentations
$2.00
2 ratings
4.0
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Hybrid Orbitals
Hybrid Orbitals
By Evan Silberstein
Hybrid orbitals are the localized electron model's approximation of molecular orbitals. As a result, hybridization theory is essentially VSEPR in new clothes. As with VSEPR, predicting molecular shape and the type of hybridization is a matter of
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
4 ratings
4.0
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Entropy and Gibbs Free Energy
Entropy and Gibbs Free Energy
By Evan Silberstein
Energy tends to dissipate through the universe. As a result the overall entropy of the universe is always increasing. For secondary students, entropy is best understood by its relationship to randomness or disorder. This PowerPoint presentation
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
2 ratings
3.7
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Colligative Properties: Freezing Point Depression and Boil
Colligative Properties: Freezing Point Depression and Boiling Point Elevation
By Evan Silberstein
It's winter. The sidewalks are icy. Salting the walkways makes the ice melt. Antifreeze keeps the coolant in the car radiator from freezing. How does this work? Antifreeze is very different from salt, but the chemical properties of these materials
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
1 rating
4.0
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Drawing Electron Dot Diagrams
Drawing Electron Dot Diagrams
By Evan Silberstein
When it comes to covalent bonding, "sharing is pairing." Drawing electron dot diagrams is one way to see where the unpaired electrons are. It also mirrors the orbital notation for the valence shell. This presentation explains the logic and rules
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
2 ratings
4.0
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Predicting Molecular Shape by VSEPR
Predicting Molecular Shape by VSEPR
By Evan Silberstein
VSEPR (Valence Shell Electron Pair Repulsion) sounds complicated, but actually it's as simple as counting from 2 to 6. Truthfully, there are a few considerations to correctly count the number of electron pairs surrounding the central atom, but once
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
1 rating
3.8
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pH
pH
By Evan Silberstein
Acids have low pHs and bases have high pHs. Water which is neutral has a pH of 7. Where do these numbers come from and what do they mean? This PowerPoint presentation explains how to calculate and interpret pH. The first half of the lesson shows how
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
4 ratings
3.7
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Scientific Notation (Writing Very Big or Very Small Numbers)
Scientific Notation (Writing Very Big or Very Small Numbers)
By Evan Silberstein
This presentation uses a novel approach to help students easily figure out how to convert to and from scientific notation. It also helps the students develop rules for calculating with scientific notation. Don't forget to go to my website for the
Subjects:
Chemistry
Grades:
10th, 11th
Types:
Lesson Plans (Individual), Lectures, PowerPoint Presentations
$2.00
5 ratings
4.0
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Phases of Matter
Phases of Matter
By Evan Silberstein
Gases spread out to fill their containers. Students can't normally see this. But iodine sublimes to form a purple gas so students could see it filling a covered beaker as it is heated. This Powerpoint presentation has animations showing this and
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
2 ratings
4.0
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Significant Figures (Tracking Placeholders)
Significant Figures (Tracking Placeholders)
By Evan Silberstein
This Power Point presentation answers the question, "How many decimal places do we need to carry this out to?" It explains the need for significant figures by pointing out the ridiculousness of digits in calculations that go way beyond the precision
Subjects:
Chemistry
Grades:
10th, 11th
Types:
Lesson Plans (Individual), Lectures, PowerPoint Presentations
$2.00
2 ratings
4.0
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Stoichiometry - Mole Ratios
Stoichiometry - Mole Ratios
By Evan Silberstein
The first step to doing more complex stoichiometry problems is to learn to work with mole ratios. This Powerpoint presentation helps students to understand the relationship between the coefficients of a balanced equation and the mole ratios of the
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
2 ratings
4.0
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Molarity and Molality
Molarity and Molality
By Evan Silberstein
Many chemical reactions occur in an aqueous environment. Premixed solutions of known concentration provide chemists a convenient way to accurately measure out reactants. A solution of known molarity always provides a specific amount of solute for a
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$3.00
3 ratings
4.0
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Bonding - What's the Big Attraction
Bonding - What's the Big Attraction
By Evan Silberstein
Atoms are attracted to each other because they are made of charged particles. An atom's protons not only hold onto its own electrons, they also tug on the electrons of other atoms. This Powerpoint presentation explores the tug of war over valence
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
1 rating
4.0
Digital Download PPSX (0.58 MB)
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Balancing Equations - Conservation of Mass
Balancing Equations - Conservation of Mass
By Evan Silberstein
During chemical reactions, mass is conserved. This is because no atoms are created or destroyed, rather they are rearranged. A chemical equation needs to show conservation of mass. The number of each type of atom needs to be the same on both sides
Subjects:
Chemistry
Grades:
10th, 11th
Types:
PowerPoint Presentations
$2.00
2 ratings
4.0
Digital Download PPSX (0.56 MB)
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3.9
Overall Quality:
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Accuracy:
3.9
Practicality:
4.0
Thoroughness:
3.9
Creativity:
3.9
Clarity:
3.9
Total:
143 total vote(s)
Ask Evan Silberstein a question. They will receive an automated email and will return to answer you as soon as possible. Please Login to ask your question.
TEACHING EXPERIENCE

Taught biology, chemistry, and general science in the East Ramapo Central school District, Spring Valley, NY from 1970 to 2003. Teach chemistry at the Frisch school, Paramus, NJ since 2003

MY TEACHING STYLE

I teach using the smart board and power point presentations. My lessons depend heavily on questioning and student responses. Lessons generally include activities and/or demonstrations with work sheets for follow up. All of my work sheets correlated to my power point presentations, and are available free of charge on my web site: http://www.evanschemistrycorner.com .

HONORS/AWARDS/SHINING TEACHER MOMENT

Yet to be added

MY OWN EDUCATIONAL HISTORY

B.S.: 1970 SUNY at Stony Brook M.S.: 1973 SUNY at New Paltz Post Graduate: Hebrew University, Jerusalem NYU, New York, NY Iona College, Rockland Campus, Orangeburg, NY

ADDITIONAL BIOGRAPHICAL INFORMATION

Writer and contributing writer for D.C. Heath and Prentice Hall science texts and ancillaries. I also now have a video course, "The Mathematics of Chemistry," at http://www.lernsys.com/en/the-mathematics-of-chemistry .

GRADES

9th, 10th, 11th, 12th

SUBJECTS

Science, Basic Principles, Chemistry, Chemistry

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