'Positive charges' presentation slideshows

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ECE 2201 Circuit Analysis

ECE 2201 Circuit Analysis. Lecture Set #1 Voltage, Current, Energy and Power Version 26. Dr. Dave Shattuck Associate Professor, ECE Dept. What are Current and Voltage?. Overview. In this part, we will cover: Definitions of current and voltage

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Electrostatics

Electrostatics. Electric Charges : the basis of electricity is charge. The charge on an atom is determined by the subatomic particles that make it up. Proton - has a positive charge and is located in the nucleus. Neutron - has no charge (is neutral) and is also located in the

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Basic Electronics I

Basic Electronics I. Electricity. Is an invisible force which can produce: heat light sound motion. Electricity can be broken down into:. Electric Charge Voltage Current Resistance. Negative & Positive Charges.

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Chapter 28

Chapter 28. Direct Current Circuits. Quick Quiz 28.1. In order to maximize the percentage of the power that is delivered from a battery to a device, the internal resistance of the battery should be (a) as low as possible (b) as high as possible

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Lesson 2

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Lesson 2

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Isotopes and Mass Number

Isotopes and Mass Number. Leon the Electron. Jimmy Neutron. Atomic Number. The number of protons in each atom identifies it as an atom of a particular element Each atom has a unique number of protons and, in effect, the number of protons cannot change for a particular atom

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Mass Spectroscopy

Mass Spectroscopy. 2.2 The mass spectrometer 1 hour Assessment statement 2.2.1 Describe and explain the operation of a mass spectrometer. 2.2.2 Describe how the mass spectrometer may be used to determine relative atomic mass using the 12 C scale.

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Polyatomic Ions and Their Compounds

Polyatomic Ions and Their Compounds. Polyatomic Ions. A polyatomic ion is an electrically charged group of two or more chemically bonded atoms that functions as a single ion. The atoms of the ion are bonded together with covalent bonds, but the group of atoms as a whole has a charge.

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Quartz Crystal Training Seminar

Quartz Crystal Training Seminar. What is a crystal?. A class of materials arranged in a definite, geometric pattern in three dimensions (table salt and sugar are common examples) Quartz Crystal is silicon and oxygen arranged in a crystalline structure (SiO2).

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PROTEINS

PROTEINS. COMPOSITION. Organic Amino Acids Central carbon atom Carboxyl group (COOH) Amino group (NH 2 ) Group or side chain - distinguishes one amino acid from another. AMINO ACIDS. STRUCTURE. PEPTIDE BONDS-strong bonds DIPEPTIDES - 2 amino acids POLYPEPTIDES - many

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Chemical Names of Ionic Compounds

Chemical Names of Ionic Compounds. Lesson 7. What are Ionic Compounds?. Ionic compounds are made up of positive and negative ions. All of the positive and negative ions for a pattern Negative and positive ions attract. Negative and negative and positive and positive repel.

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Electric Potential Energy and the Electrical Potential

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1. When the balloon is rubbed on the sweater, what might happen?

Concept Questions for Balloons and Static Electricity and John Travoltage http://www.colorado.edu/physics/phet. Learning Goals: Students will be able to describe and draw models for common static electricity concepts. (transfer of charge, induction, attraction, repulsion, and grounding).

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Static electricity revision

Static electricity revision

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Chapter 22

Chapter 22 . Electrostatics. The net charge of an atom equals . the number of protons in its nucleus. the number of electrons surrounding its nucleus. zero if the atom is electrically neutral. always zero. The net charge of an atom equals . the number of protons in its nucleus.

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