Original PromptCreate an end of unit assessment on the 3 attached lessons. Each question needs to have the required marks next to it. Do not omit the answer key, this is to be on a page by itself.
This document focuses on the periodic table, detailing its organization, the properties of elements, electronic structures, and the reactivity trends of specific groups—primarily Group 1 (Alkali Metals) and Group 7 (Halogens). It includes example questions, definitions, and explanations around key concepts such as atomic number, groups, periods, and elemental classification. Furthermore, it covers reactivity trends, safety precautions for demonstrations involving reactive elements, and provides practice questions for students to assess their understanding.