Atoms, Elements, and the Periodic Table - Learning Services Home

Name Date ClassNote-taking Worksheet (continued)B. Periodic Table—Chart that organizes and displays information about the _____________1. Atomic _____________—the top number in the element’s periodic table blocka. Tells the number of ___________ in the nucleus of each atom of that elementb. The number of ____________ remains constant in every atom of an element.2. ______________—atoms of the same element that have different numbers of____________3. Mass number—number of ___________ plus number of ___________Meeting Individual Needs4. Atomic __________—the number found below the element symbola. The weighted average __________ of an atom of an elementb. The unit used for atomic mass is the __________________, which is given the symbol u.C. Elements fall into three general groups characterized by similar __________________1. ____________—majority of elementsa. ____________ lusterb. Good conductors of ______________ and _______________c. Most are __________ at room temperature.d. ______________, or can be shapede. _____________, or can be drawn into wires without breaking2. ________________—found on the right side of the periodic tablea. ________ in appearanceb. _________ conductors of heat and electricityc. Many are __________ at room temperature.d. ___________, cannot change shape without breakinge. 97 percent of the ___________________ is made up of nonmetals.3. _________________—found between the metals and nonmetals on the periodic tablea. Have characteristics of both ___________ and _________________b. Do not ____________________________ heat and electricity as well as metalsc. All are ___________ at room temperature.Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.30 Atoms, Elements, and the Periodic Table