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

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

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Name Date Class1ReinforcementStructure of MatterDirections: Use <strong>the</strong> clues below to complete <strong>the</strong> crossword puzzle.Copyright © Glencoe/McGraw-Hill, a division of <strong>the</strong> McGraw-Hill Companies, Inc.Meeting Individual NeedsAcross3. Positively charged particle in <strong>the</strong> nucleusof an atom5. The central part of an atom thatcontains <strong>the</strong> protons <strong>and</strong> neutrons9. Scientist who discovered neutrons11. Has mass <strong>and</strong> takes up space12. Scientist who discovered electrons13. The law of ______ of matter statesthat matter can nei<strong>the</strong>r be creatednor destroyed.Down1. Scientist who developed a model called<strong>the</strong> atomic <strong>the</strong>ory of matter2. Most matter on Earth is made up of <strong>the</strong>sesmall particles.4. Scientist who discovered protons6. Negatively charged particle in an atom7. Uncharged particle in <strong>the</strong> nucleus of anatom8. Scientist who showed that wood <strong>and</strong> oxygencombine during burning10. Electrons move in what is called an atom’selectron ______.<strong>Atoms</strong>, <strong>Elements</strong>, <strong>and</strong> <strong>the</strong> <strong>Periodic</strong> <strong>Table</strong> 23

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