Module 2 Unit 1 Assignment D

Module 2 Unit 1 Assignment D - MODULE 2 UNIT 1 Assignment...

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MODULE 2 UNIT 1 Assignment Part D 1. State two properties of halogens (chemical or physical) indicating that they belong to the same group or family. All belong to group 7A, indicating that they have 7 electrons in their valence. 2 marks 2. Compare the variation of the melting point of halogens with the variation of their boiling point and compare these with the variation of their atomic mass. (Refer to the periodic table added to this module or to any on-line periodic tables, such as the one at http://www.dayah.com/periodic/ or http:// www.google.ca/imgres?imgurl=http://www.corrosionsource.com/handbook/ periodic/periodic_table.gif&imgrefurl=http://www.corrosionsource.com/hand book/periodic/&h=480&w=580&sz=19&tbnid=G4wY8RtD2Q3AMM:&tbnh=1 11&tbnw=134&prev=/images%3Fq%3Dperiodic%2Btable %2Bdetailed&usg=__DxuI4ddR1gpqOm7UJiB7I12eLNo=&ei=XqKASqWqH ImoMd-HrPsC&sa=X&oi=image_result&resnum=4&ct=image) Click on an element to learn about its properties, including its atomic number, atomic
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