'Electrically neutral' presentation slideshows

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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Chapter 7 Ionic Covalent and Metal Materials

Chapter 7 Ionic Covalent and Metal Materials. Types of Atoms. Ionic Compounds: 1/3 page for each. Ions (Ca+ions & Anions). Covalent (Molecular Compounds):. Two or more nonmetals. Metallic Solids:. Only metal atoms. Electron Dot structures.

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X-Ray Production and it's Properties

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A. the rod and fur both gain mass. B. the rod and fur both lose mass. C. the rod gains mass and the fur loses mass.

Q21.1. When you rub a plastic rod with fur, the plastic rod becomes negatively charged and the fur becomes positively charged. As a consequence of rubbing the rod with the fur,. A. the rod and fur both gain mass. B. the rod and fur both lose mass. C. the rod gains mass and the fur loses mass.

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Structure and Properties of the Nucleus

Phosphorescent materials continue to glow after the lights are turned off. How can you use the model of an atom to explain this?. Structure and Properties of the Nucleus. Nucleons. Proton is the nucleus of the simplest atom, hydrogen. It has positive charge (+e) and mass m p =1.6726x10 -27 kg.

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THIS IS A STUDY GUIDE , NOT AN ALL INCLUSIVE REVIEW.

THIS IS A STUDY GUIDE , NOT AN ALL INCLUSIVE REVIEW. THERE MIGHT BE THINGS NOT COVERED BY THIS STUDY GUIDE THAT MIGHT BE ASKED IN YOUR Q UIZZES and TESTS . STUDENTS ARE RESPONSIBLE FOR STUDYING THEIR TEXT BOOKS AS PER THE COURSE SYLLABUS. LESSON # 3 (Chapter 2).

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Chapter 20 Assessment

Chapter 20 Assessment. Ms. Basualdo. VOCABULARY. Section 20.1 1. Coulomb 2. electrically neutral 3. positive 4 .negative 5. static electricity 6 . charged. Section 20.2 7 . electric current 8 . switch 9 . closed circuit 10 . resistor.

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Atomic Theory Class #1

Atomic Theory Class #1. OB: Students will examine basic structure of the atom, learn what the numbers on the Periodic table mean, and look at electron orbitals. Take out your WHITE periodic tables now. All atoms are made up of three sub-atomic (smaller than atoms) parts. They are the .

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Ionization Energies and Group Numbers

Ionization Energies and Group Numbers. What is Ionization?. Consider an atom of Lithium, losing its electrons. The lithium atom has three electrons (1s 2 2s 1 ) and three protons. +. It is electrically neutral 3 e - + 3p + = Li 0. What is Ionization?. Li 0 ? Li 1+.

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Ionic Compounds

Ionic Compounds. Naming & Formula Writing. Monatomic Ions. Charged particles composed of one type of atom Cations (+) or anions (-) atoms lose or gain electrons to become stable Oppositely charged ions are attracted to each other and form an ionic bond Ex. Na + Cl - form NaCl.

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Periodic Trends

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Chapter 15

Chapter 15. Physics A First Course. Electricity. Electricity Electrical Charges and Forces . 15.1 Electric Charge and Current 15.2 Electric Current, Resistance, and Voltage 15.3 Capacitors. Key Question: What is "static" electricity ?. 14A Investigation: Electric Charge.

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Subatomic Particles

Subatomic Particles. 1. Subatomic Particles. Special notes on subatomic particles. In a neutral atom # of protons=#of electrons. Atoms are electrically neutral. If the number of protons does not equal the number of electrons you have a charged atom known as an ion.

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Objectives

Objectives. To describe the formation of ions from their parent atoms To learn to name ions To predict which ion a given element forms by using the periodic table To describe how ions combine to form neutral compounds. +/- e -. A. Ions.

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Quantum Mechanical Model Electron Placement

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Subatomic Particles

Subatomic Particles. Dalton, Democritus & other early chemists thought the atom was a homogeneous particle. Static electricity between objects made scientists in the 1800s look closer at this idea. They started experimenting with electricity in a vacuum using a cathode ray tube. CATHODE RAY .

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Denaturation:

Denaturation:. When a protein is heated,its physical,chemical and biological properties are changed due to breaking up of certain bonds.the conformation of protein will be changed.this process is known as denaturation.

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Ernest Rutherford

Ernest Rutherford. Student of J.J. Thomson (1894) Early studies based on radioactivity Discovered that some materials emit radiation Alpha particle: Eventually was confirmed to be helium nuclei, which meant an alpha particle was simply 2 protons and 2 neutrons

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Boson

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Chapter-23: Gauss' Law

. Chapter-23: Gauss' Law. One of the primary goals of physics is to find simple ways of solving seemingly complex problems. One of the main tools of physics in attaining this goal is the use of symmetry.

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