History of periodic table pdf
[DOC File]Atoms/Periodic Table Pop Quiz
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What is the difference between a group and a period on the Periodic Table. 11. Identify these elements: a. A very reactive metal with properties similar to magnesium and in the same . period as bromine. b. A nonmetal in the same group as lead. c. This metal is the most reactive metal in its period and cannot be found uncombined in nature (will ...
[DOC File]GRADE 9 SCIENCE
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History of The Periodic Table. Elements are pure substances made up of only one kind of atom. They cannot be broken down into smaller particles. Scientists wanted to classify and organize elements for common reference. The first elements were represented by symbols, and later by letters.
[DOC File]Unit Plan for The Periodic Table - University of Manitoba
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*Activity: Students colour and label the periodic table by family as lecture progresses. Introduce the periodic table by discussing its format (periods/families). Families consist of elements with similar properties due to similar electron configurations. Identify the groups on the periodic table and name them.
[DOC File]Chemistry Midterm Exam Review
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periodic table trends. Ionization energy. Electron affinity. Atomic radius. electronegativity. Name the element that corresponds to each of the following electron configurations. 1s22s22p2 carbon 1s22s22p63s23p4 sulfur 1s22s22p63s23p64s23d5 Mn 1s22s22p6 Ne Write the electron configurations for the following elements. Potassium 1s22s22p63s23p64s1
[DOC File]Periodic Table WebQuest
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The periodic table is called such because many properties are periodic functions of their elements. In this section you will define each of the periodic properties and describe how the properties vary across a row and down a column of the periodic table.
[DOC File]Mendeleev’s Castle
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1) Gives a history of Dmitri Mendeleev 2) Gives a description of “rooms” in a 3-story castle (Period 3 is the 1st floor, Period 2 is the 2nd floor and Period 1 is the 3rd); students must identify each element ( answers are NOT given
[DOC File]Ms. Holm Science - Home
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1. On the periodic table, elements are arranged in rows and columns according to their . 2. The elements that appear between metals and nonmetals on the periodic table are . 3. The first periodic table arranged elements in order of increasing . 4. The element key lists an element’s atomic number, atomic mass, and . 5.
[DOC File]History of the Atom Reading Comprehension
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Atoms & the history of the atom ... Although the weights that he proposed were not entirely accurate, they formed the base for the modern periodic table of elements. Sir Joseph John Thomson was born in 1856, and is recognized as the British scientist who discovered and identified the electron. In 1897 Thomson demonstrated that cathode rays ...
[DOC File]Teacher Guide & Answers
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ordinary table salt. (2/2) 11. A stairway is a good model because each energy level can be represented as a step. The lowest step is the lowest energy level, containing electrons that are closest to the nucleus. The upper steps are higher energy levels, containing electrons that have more energy and are farther from the nucleus. (2/1) 12.
[DOC File]Atom Worksheet
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*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 *Here’s how to predict the structure of any element on the periodic table. For example, look at carbon: flatomic number: This is the number of protons (also the number of electrons) ...
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