sch3u_07_assessment.pdf - TVO ILC SCH3U Learning Activity 7...

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Copyright © 2018 The Ontario Educational Communications Authority. All rights reserved. SCH3U Learning Activity 7 Assessment for feedback and grade TVO ILC 1 Assessment for feedback and grade: Composition and properties of matter Student name: ________________________________________ Date: ______________________ Unit Unit title Level/Mark Percentage of term work 1Composition and properties of matter___________/12.5%This unit has three overall expectations:investigate physical and chemical properties of elements and compounds, and use various methods to visually represent them;demonstrate an understanding of periodic trends in the periodic table and how elements combine to form chemical bonds.demonstrate an understanding of the mole concept and its significance to the quantitative analysis of chemical (compounds).You will be assessed based on your understanding of these overall expectations which are equally weighted. Your teacher will provide you with an achievement level for each overall expectation, and give you feedback about your strengths, needs, and next steps. Before beginning the assignment you may choose to view the rubric at the end Overall expectation 1:I can investigate physical and chemical properties of elements and compounds, and use various methods to visually represent them.1. a) Atoms, ions, and molecules are the three types of particles that make up matter. How are they similar? How are they different? Share at least 3 similarities and/or differences in your response. Point form is acceptable. b) Give one example (name and formula) of each type of particle discussed in part a). 2. Nitrogen has two naturally occurring isotopes: nitrogen-14 and nitrogen-15. The average atomic mass of nitrogen is 14.0064 µ, which isotope is in the largest abundance? Explain your reasoning. 3. Describethreedifferences between the bonding in ionic and molecular substances. Point form is acceptable.
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Copyright © 2018 The Ontario Educational Communications Authority. All rights reserved. SCH3U Learning Activity 7 Assessment for feedback and grade TVO ILC 2 4. Draw a neat Lewis structure for each of the following compounds. (Note:Both ionic and covalent types have been included.) Make sure your diagram clearly distinguishes the type of bonding. Label your structure as “ionic” or “covalent.” If it is covalent, identify the single, double, and triple bonds, if present. a) BeI 2 b) CBr 4 c) AsF 3 d) HCN
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