'Different mass numbers' diaporamas de présentation

The Chemical Level of Organization

The Chemical Level of Organization. Chapter 2. The Chemical Level of Organization. Matter elements atoms and molecules Chemical bonds Chemical energy Chemical reactions Inorganic compounds Organic compounds. How Matter is Organized.

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History of Atomic Theory

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To learn the types of radioactive decay To learn to write nuclear equations for radioactive decay

Objectives. To learn the types of radioactive decay To learn to write nuclear equations for radioactive decay To learn how one element may be changed to another by particle bombardment To learn about radiation detection instruments To understand half-life . A Review of Atomic Terms .

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Chapter 2 Atoms and Elements

Chapter 2 Atoms and Elements. The Atom Atomic Number and Mass Number Isotopes. Atomic Theory. Atoms are building blocks of elements Similar atoms in each element Different from atoms of other elements Two or more different atoms bond in simple ratios to form compounds.

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Chapter 2 Atoms and Elements

Chapter 2 Atoms and Elements. The Atom Atomic Number and Mass Number Isotopes. Atomic Theory. Atoms are building blocks of elements Similar atoms in each element Different from atoms of other elements Two or more different atoms bond in simple ratios to form compounds.

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Chapter 3 Atoms and Elements

Chapter 3 Atoms and Elements. 3.5 Isotopes and Atomic Mass. Isotopes. Isotopes are atoms of the same element that have different mass numbers have the same number of protons but different numbers of neutrons. Nuclear Symbol. A nuclear symbol represents a particular atom of an element

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2.2 Atomic Theory

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Atomic Structure

Atomic Structure. The building blocks of matter Is it really the smallest thing out there?. Atoms. The smallest particle of an element that retains the properties of that element These are mostly chemical properties, not physical properties. Subatomic Particles.

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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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The Chemical Context of Life

The Chemical Context of Life. Atomic structure The periodic table Chemical bonding Important elements in living organisms. A. Atomic Structure. Matter Anything that takes up space and has mass Atom The smallest stable particle of matter Composed of protons, neutrons, and electrons.

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Atomic Mass (Weights)

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Objective: identify the three subatomic particles and compare their properties.

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Sodium Nucleus: 11 protons, 12 neutrons Charge: +11 Aluminum Nucleus: 13 protons, 14 neutrons

Sodium Nucleus: 11 protons, 12 neutrons Charge: +11 Aluminum Nucleus: 13 protons, 14 neutrons Charge: +13. Mass number: total number of protons and neutrons in a nucleus. Sodium Atomic number: 11 Mass number: 23 (11+12).

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History of the Atomic Model

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