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[DOC File]Elements, Compounds & Mixtures Worksheet
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The atoms are _____ combined in some way. Often times (but not always) they come together to form groups of atoms called molecules. A compound is always homogeneous (uniform). Compounds _____ be separated by physical means. Separating a compound requires a …
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VSPER Worksheet - Instructure
For molecules that contain 3 or more atoms and contain polar bonds, the molecular geometry of the molecule must be considered. Molecular shapes that are highly symmetric (meaning no lone pairs on the central atom) tend to be . nonpolar.
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[DOC File]WORKSHEET 2 - Atoms, Molecules and Names
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WORKSHEET 1 - Atoms, Molecules and Names. Use your Periodic Table to answer the following questions. 2. The Period 3 Halogen is _____. The Period 2 Alkaline Earth Metal is _____. The Period 5 Noble gas is _____. The Period 6 Alkali Metal is _____. The lightest Transition Metal is _____. ...
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[DOC File]Chemistry Worksheet Stoichiometry
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24. 8.92 x 1023 atoms of barium. 25. 5.50 x 1025 molecules of carbon monoxide. 26. 2.66 x 1022 formula units of potassium iodide. Determine the mass in grams of each of the following quantities. 27. 1.24 moles of beryllium. 28. 3.35 moles of calcium. 29. 0.155 mole of sulfur.
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[DOC File]Dimensional Analysis WorkSheet
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1 mol = 6.02 x 1023 particles [atoms, molecules, formula units] 1 mol = Molar Mass [also called gram-formula-mass] 2.Solve the following problems: a. How many molecules are there in 400 grams of glucose, C6H12O6? b. How many grams are 1.20 x 1025 atoms of phosphorous? c. How many atoms are in 0.750 grams of zinc? d.
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[DOC File]UNIT 3 – WORKSHEET 1: MOLE PROBLEMS
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15.0 g x 1 mol x 6.02 x 1023 molecules = 8.67 x 1022 molecules. 104.1 g 1 mol ** How many atoms of fluorine are in 15.0 g of silicon tetrafluoride? _____ 4 F atoms per molecule of SiF4, therefore 4 x 8.67 x 1022 = 3.47 x 1023. 5. Find the percent composition (by mass) of nickel (II) hydroxide. % Ni = _____ ...
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[DOC File]CHEMISTRY WORKSHEET # 2 MOLE PROBLEMS—THE MOLE …
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6.02 X 1023 atoms or molecules per mole # MOLES. 22.4 liters of gas per mole. 6.02 X 1023 PARTICLES (ATOMS OR MOLECULES) MOLAR MASS (G/MOL) MOLE. 22.4 LITERS OF GAS AT STP #1-5: You are given the number of moles and asked to find the grams (mass) MOLS ( GRAMS #6-10: You are given the grams (mass) and asked to find the number of mols. …
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[DOCX File]Murrieta Valley Unified School District / Overview
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Moles to Particles (atoms or molecules) Worksheet. How many molecules are in 2.00 moles of H. 2. O?How many moles are in 8.30 X 1023 molecules of H. 2. O?How many molecules are in 0.500 moles of H. 2?How many atoms are in 1.00 moles of He? How many atoms are in 1.50 moles of Hg? How many molecules are in 2.50 moles of O. 2?How many atoms are in ...
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Atoms and molecules worksheets