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[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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we simply calculate the sum of the “weights” of the atoms in the formula to determine the weight of a mole. These weights can be found on the periodic table. EXAMPLE: Calculate the molar mass (gram molecular weight) of a mole of iodine, I2. Round to 2 decimal places. 2 I = 2 X (126.90) = 253.80 g I2/mol
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[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.
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Honors Chemistry Worksheet on Periodic Table
NEATLY provide the best, complete, detailed, yet concise response to each of the following questions/problems. By examining the modern periodic table, find as many examples as you can of violations of Mendeleev’s periodic law that the chemical and physical properties of the elements are periodic functions of their atomic weights.
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[DOC File]COMMON ELEMENTS & THEIR USES
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Soft metal that combines with chlorine to make table salt 24) Sulfur S Used to make sulfuric acid & some medicines such as pet powders 25) Tin Sn Used to make cans 26) Tungsten W A metal used in light bulb filaments 27) Uranium U A metal used in some nuclear reactions 28) Zinc Zn A metal that prevents rust & is used in dry cell batteries
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[DOCX File]fultonschools.org
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how to read or determine the following information on the periodic table. atomic number. average atomic mass . most common oxidation state (charge) how many protons, neutrons, and electrons are in a given isotope or ion. how to name and write the formulas for binary ionic and covalent compounds and ternary ionic compounds. prefixes for covalent
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[DOC File]History of the Atom Reading Comprehension
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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 - high-speed electrons emitted by a ...
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[DOC File]printable periodic table of the elements
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The difference arises from the differing atomic weights of various isotopes. We have tried to list the most stable isotope. For example, some sources list the atomic weight of seaborgium as 263 and others 266. The most stable isotope appears have an atomic weight of 266 so we list that weight here. ... printable periodic table of the elements ...
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[DOC File]Operation Chemistry Activities Outline
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the activity by aiming for the greatest mass of the name (sum of atomic weights—requires a table with atomic weights), or the longest word, and so on. Evaluate by further identifying the elements according to physical state (metal, gas, liquid), use of elements based on personal knowledge or research, or according to ideas developed by the group.
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[DOC File]Chemistry - Module 2 - Metals
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The last major change to the periodic table resulted from Glenn Seaborg’s research in the middle of the twentieth century. He was able to discover plutonium in 1940 and was then able to discover all the transuranic elements (from 94 to 102). He then re-arranged the periodic table by placing the lanthanide series above the actinide.
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[DOC File]Mole Calculation Worksheet - HUBBARD'S CHEMISTRY - Home
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What are the molecular weights of the following compounds? 1) NaOH 2) H3PO4 3) H2O 4) Mn2Se7. 5) MgCl2 6) (NH4)2SO4. There are three definitions (equalities) of mole. They are: 1. mole = 6.02 x 1023 particles. 1 mole = molar mass (could be atomic mass from periodic table or molecular mass) 1 mole = 22.4 L of a gas at STP
understanding the periodic table pdf

Periodic table with weights pdf