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Chapter 3 – Atoms Name: __________________________________ Number: ________ Vocabulary Questions Answer/Notes Atoms What are atoms? Elements What are elements? How many elements are there? Structure of Atoms What are the three parts of an 1. atom called? 2. 3. What are the electrical 1. charges of each part? 2. 3. What is the center part of the atom called? What part of the atom has the most mass? Structure of Atoms Where are electrons found? (cont) How are atoms classified? All atoms have what electrical charge? Classifying Elements What is a periodic table? Give four characteristics of 1. the periodic table. 2. 3. 4. How many letters are used in the symbols for elements? What is a symbol in chemistry 1. used for and how is it written? 2. Give three characteristics of 1. metals. 2. 3. Classifying Elements Give three characteristics of 1. (cont.) nonmetals. 2. 3. What are chemical families? What are five elements that 1. have properties like calcium? 2. 3. 4. 5. What is the lightest element that has properties like those of iodine? How are all atoms alike? 1. 2. 3.
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