'Mass number protons neutrons' diaporamas de présentation

Physics Unit one

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Final Exam Review pick up final exam review and periodic table from the back.

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Ch 1 Chemical Foundations

Ch 1 Chemical Foundations. AP Chemistry 2014-2015. 1.1 Chemistry: An Overview. Matter is anything that takes up space and exhibits inertia.

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Topic : Chemistry Aim : Explain how elements are classified in the Periodic Table of Elements.

Topic : Chemistry Aim : Explain how elements are classified in the Periodic Table of Elements. Do Now: http://www.bbc.co.uk/schools/ks3bitesize/science/chemical_material_behaviour/compounds_mixtures/activity.shtml HW : Other side of homework ditto.

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Atomic Models

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Chapters 4 and 5

Chapters 4 and 5. The Structure of the Atom And Electrons in Atoms. Early Theories of Matter. Democritus (460-370 B.C.) Named atom ( atomos ). Early Theories of Matter. Aristotle (384-322 B.C.). Early Theories of Matter. John Dalton (1766-1844) First Atomic Theory. Defining an Atom.

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Interaction of Radiation with Matter

Interaction of Radiation with Matter. MATTER. ATOM. An Atom can be defined as the smallest quantity of an element which can enter into a chemical reaction. All atoms of a particular element are chemically alike but they differ from the atoms of other elements.

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Chemistry Review

Chemistry Review. Mr. Halfen June 2011. Substances. Pure substance - a substance composed on only one type of element or molecule Examples - diamond, oxygen, water Mixture - a physical combination of more than one pure substance Examples - salad, steel, soda

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Chemistry Review

Chemistry Review. Mr. Halfen June 2011. Substances. Pure substance - a substance composed on only one type of element or molecule Examples - diamond, oxygen, water Mixture - a physical combination of more than one pure substance Examples - salad, steel, soda

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C4 Revision Cards

C4 Revision Cards. Hope you find these useful - V. Atomic Structure. An atom has a nucleus , surrounded by electrons . The nucleus contains protons and neutrons . The nucleus is positively charged . This is because protons are positively charged . The neutrons have no charge.

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The Chemistry of Life

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Bell Work

Bell Work. Compare and contrast the Bohr model and the Quantum Mechanical Model. http://www.youtube.com/watch?v=vUzTQWn-wfE&list=PL701F0464C7551022. Sticky Note Matching Game.

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The Atom & Subatomic Particles

The Atom & Subatomic Particles. atomic number: = size of nuclear charge = number of protons in nucleus determines identity of element used to give order to periodic table For neutral atoms: atomic number = number of electrons. Atomic Number. What is an atom?.

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SBI4U BIOCHEMISTRY

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The Structure of an Atom

The Structure of an Atom. Chapter 4.2. Warm-up : KWL Chart - ATOMS. Properties of Subatomic Particles. There are 3 types of subatomic particles in an atom Protons Electrons Neutrons. Protons. POSITIVELY charged particle located in the nucleus of an atom

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Structure of the Atom

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Nuclear energy

Nuclear energy. Summary of period 1. Parts of the atom. Add/subtract a proton: creates a different atom Add/subtract a neutron: creates a different isotope Add/subtract an electron: changes oxidation state / creates ion. Isotopes. Mass number (protons + neutrons).

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Unit 3: Atomic Structure

Unit 3: Atomic Structure. Atomic Mass Units (amu) and Calculating Atomic Mass. Remember???. Mass number = protons + neutrons Isotopes= atoms with different # of neutrons Atomic masses occur with decimal points because they are an average of different isotopes. Atomic Mass Units.

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Atomic Mass

Atomic Mass. Atomic Number. Atoms are arranged on the periodic table in order of atomic number, or the number of protons. e. 2 protons. P. N. N. P. 2 protons + 2 neutrons. Ignore electrons. e. Atomic Number. Isotopes.

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Radio-Active Dating

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