Editing 2018-2019 Review HW For Naming Molecular Compouds Lewis Dot Structure Percent Composition And Two Step Mole Calculations
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<center><b>2018-2019 Review HW for Naming Molecular Compounds, Lewis Dot Structures, Percent Composition and Two Step Mole Calculations</b></center><br> <br> Part I Answer the following question in the space provided.<br> <br> 1. _______________ types of elements produces __________ when they lose electrons.<br> <br> <br> 2. _________________ is the base unit of a molecular cpd.<br> <br> <br> 3. Define Rule of Eight (also called Octet Rule):____________________________________<br> <br> _____________________________________________________________________________________<br> <br> <br> 4a. If C and P atom get close together, they ________________ valence electrons, forming<br> <br> _____________ and become a ___________________ compound. The ΔEN between these two atoms needs ________ 1.7 <br> <br> 4b. There are no atoms of copper in a piece of copper metal (because they have metallic bonds. What two "things" are in this piece of metal,<br> <br> i) ________________________________________ and ii) _______________________________________<br> <br> <br> 5. Ionic compounds are made up of ______________<br> <br> <br> Part II Give the correct Lewis Dot Structure(s) for the following:<br> <br> a. CF<sub>4</sub><br> <br> <br> <br> <br> <br> <br> <br> b. <nowiki>PO</nowiki><sub>3</sub><sup>3-</sup><br> <br> <br> <br> <br> <br> <br> <br> c. NO<sub>3</sub><sup>-1</sup><br> <br> <br> <br> <br> <br> <br> <br> d. <nowiki>SeBr</nowiki><sub>6</sub><br> <br> <br> <br> <br> <br> <br> <br> Part III Give the appropriate chemical name or chemical formula for the following:<br> a. S<sub>4</sub>Cl<sub>9</sub><br> <br> <br> b. Sulfur trioxide<br> <br> <br> c. NO<sub>2</sub><br> <br> <br> d. Pentafluorine monochloride<br> <br> <br> <br> <b>Part IV Answer the following questions showing all work.</b><br> <br> a) How many grams in 23.7 liters of chlorine gas (Cl<sub>2</sub>) @ <nowiki>STP</nowiki>?<br> <br> <br> <br> <br> <br> <br> <Br> <br> <br> <br> <br> <br> <Br> <br> <br> <br> <br> <br> <br> <br> <br> b) How many molecules in 24.5 grams of water?<br> <br> <br> <br> <br> <br> <br> <br> <Br> <br> <br> <br> <br> <br> <br> <Br> <br> <br> <br> <Br> <br> <br> c) How many f.u. do I have if I have 14.5grams of aluminum chloride, Al<sub>1</sub>Cl<sub>3</sub><br> <br> <br> <br> <br> <br> <Br> <br> <br> <br> <br> <br> <br> <Br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> d) How many liters of N<sub>2</sub> in 3.4E24 molecules of this gas.<br>(The element N is not found alone in nature but instead as in two's so it is actually a molecule) <br> <br> <br> <br> <br> <br> <Br> <br> <br> <br> <br> <br> <br> <Br> <br> <br> <br> <br> <br> <br> <br> <Br> e. How many grams of Sodium carbonate, Na<sub>2</sub>(CO<sub>3</sub>)<sub>1</sub>, do you need to add to get 452mL of a 0.728M solution? <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> f. What is the percent composition of K<sub>2</sub>(<nowiki>SO</nowiki><sub>3</sub>)<sub>1</sub>? <b>(2019-2020 Honors Student DO NOT DO)</b><br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br>
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