Unit 2: Atoms & the Periodic Table - Vocabulary Crossword Puzzle
Across
- 6. A particle with a negative charge
- 9. Non-reactive elements in group 18A of the periodic table
- 12. Horizontal (⬌) rows on the periodic table
- 14. Atoms that gain or lose electrons; becoming charged-ion Charge An electric charge that forms on an atom when it gains or loses electrons
- 15. Atoms that lose electrons and have a positive charge
- 16. A particle with a neutral or no charge
- 17. The smallest parts of matter
- 18. Highly reactive metals in group 1A of the periodic table
- 20. Are not malleable nor ductile, poor conductors, and have a High-non reactivity
- 21. Highly reactive non-metals in group 17A of the periodic table
- 22. Electrons in the outermost shell
- 23. Are malleable & ductile, good conductors, and have a High-Low reactivity
Down
- 1. The center of an atom is called a _______
- 2. metals that form multiple ions and colorful compounds in groups 3-12
- 3. How a chemical substance interacts with itself or with other materials, releasing energy
- 4. Moderately reactive metals in group 2A of the periodic table
- 5. A particle with a positive charge
- 7. Measuring the size of atoms based on their distance from the nucleus
- 8. Varies in being malleable & ductile, are semi-conductors, and have a Medium-Low reactivity
- 10. Atoms that gain electrons and have a negative charge
- 11. Vertical (⬍) rows on the periodic table
- 13. A visual representation of an atom where electrons move along rings surrounding the nucleus
- 19. Atoms of the same element that have differing numbers of neutrons