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[DOC File]History of the Atom Reading Comprehension
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Atoms & the history of the atom Leucippus, a Greek philosopher, was the first person recorded to believe that all matter consisted of atoms. He believed that everything was made up of tiny and indivisible bodies called atoms. The word atom comes from the Greek word ‘atomos’, which means not divisible.
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[DOC File]Atomic Structure Project - Humble Independent School District
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Objective: Science concepts. The student knows and understands the historical development of atomic theory. The student is expected to: Understand the experimental design and conclusions used in the development of modern atomic theory, including Dalton's Postulates, Thomson's discovery of electron properties, Rutherford's Gold foil experiment, and Bohr's nuclear atom
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[DOC File]Atom Worksheet
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Name_____ Parts of the Atom *Fill in the following table about the parts of the atom. (AMU stands for atomic mass unit.) PART OF THE ATOM ELECTRIC CHARGE LOCATION IN ATOM
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[DOCX File]Periodic Trends Worksheet - Millersburg Area School District
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Why do atoms get smaller as you move left to right in a period? Which element in each pair has a larger ionization energy (circle)? a) Be or Ba b) Cu or Ra c) K or V d) W or Cr . Explain the relationship between the relative size of an ion to its neutral atom and the . charge on the ions.
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[DOC File]Atomic Model/Theory Webquest - Henry County School District
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SC3 – Students will use the modern atomic theory to explain the characteristics of atoms. Introduction: All matter is made of tiny particles called atoms. These atoms are in turn made of even smaller particles called protons, neutron and electrons. Everything that matter is and everything that matter does can be explained by the behavior of ...
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[DOC File]Elements, Compounds & Mixtures Worksheet
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Mixture of two elements – two types of uncombined atoms present. _B_3. Pure compound – only one type of compound present. _A_4. Mixture of two compounds – two types of compounds present. _D_5. Mixture of a compound and an element. Part 4: Column A lists a substance. In Column B, list whether the substance is an element (E), a compound (C ...
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[DOC File]Atomic Structure Worksheet
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The atomic number of an element is the number of protons in the nucleus of an atom. The mass number is the total number of protons plus neutrons in the nucleus of an atom.
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[DOC File]Organic Nomenclature - Alkanes, Alkenes, Alkynes
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c. 4 C atoms with the C=C after the #1 C atom = 1-butene . d. 4 C atoms with the C=C after the #2 C atom = 2-butene . e. 5 C atoms with the C=C after the #1 C atom = 1-pentene (Did you say 4-pentene? Remember that we want to number the backbone of C atoms so …
atomic structure powerpoint middle school

[DOC File]STUDENT STUDY GUIDE FOR 8TH GRADE CHEMISTRY
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This site is written at middle school level and has a number of on-line tests that you can use to check your understanding of the material. Several other good internet sites are: ... Atoms are composed of three kinds of particles – electrons, protons, and neutrons. Protons have a positive charge and a mass of 1 atomic mass unit (amu).
atomic structure ppt

[DOC File]Lesson 1 | Discovering Parts of an Atom
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Dalton’s theory states that atoms cannot be divided, created , or destroyed. 3. It also stated that atoms of one element are different from atoms of other elements . C. The Atom. 1. A(n) atom is the smallest piece of an element that still represents that element. 2. Atoms were first seen by …
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Atoms ppt for middle school