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

Name Date ClassChapterReviewAtoms, Elements, andthe Periodic TablePart A. Vocabulary ReviewDirections: Match the terms in Column II with the definitions in Column I. Write the letter of the correct term inthe blank at the left.Column IColumn II1. weighted average mass of an elementa. atom2. a sample of matter that has the same composition andproperties throughoutb. atomic mass3. states that matter is neither created nor destroyed, onlychanged in form4. negatively charged subatomic particlec. atomic numberd. compound5. positively charged central part of the atome. electron6. positively charged particle in the nucleus of the atomf. element7. uncharged particle in the nucleus of the atomg. isotopes8. elements that generally have a shiny or metallic luster9. matter made up of only one kind of atomh. law of conservationof matterCopyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.10. tells you the number of protons in the nucleus of eachatom of an element11. anything that has mass and takes up space12. atoms of the same element that have different numbersof neutrons13. the sum of an atom’s protons and neutrons14. a small particle that makes up most types of matteron Earth15. a pure substance whose smallest unit is made upof atoms of more than one element16. formed when two or more substances come togetherbut don’t combine to form a new substance17. elements that are usually dull in appearance and poorconductors of heat and electricityi. mass numberj. matterk. metalsl. metalloidsm. mixturesn. neutrono. nonmetalsp. nucleusq. protonAssessment18. elements that have characteristics of both metalsand nonmetalsr. substanceAtoms, Elements, and the Periodic Table 33