Across
- 2. A negatively charged ion
- 5. Columns on the periodic table
- 7. Rows on the periodic table
- 9. Positively charged particle
- 11. Neutrally charged particle
- 13. The height of a wave
- 16. Covalent compounds are made of
- 17. A bond where electrons are pooled, formed between metals
- 21. A positively charged ion
- 23. The bouncing of a wave off a surface
- 24. The bending of a wave as it enters a new medium
- 26. The area where particles are spread apart
- 27. The center of the atom
- 28. Waves that can travel through space
- 32. The overlapping of waves
- 33. and nonmetal Ionic compounds are made of
Down
- 1. A wave that moves parallel to the direction of travel
- 3. The distance between two wave crests
- 4. The area where particles are close together
- 6. A small group of bonded atoms
- 8. The number of waves that pass per second
- 10. A bond formed by transferring electrons
- 12. Negatively charged particle
- 14. Atoms of the same element with different neutrons
- 15. A type of wave that requires a medium
- 17. Type of element that loses electrons easily
- 18. A diagram showing valence electrons
- 19. speed The speed at which a wave travels
- 20. electrons The outermost electrons
- 22. A bond formed by sharing electrons
- 25. number Number of protons in an atom
- 29. A wave that moves perpendicular to the direction of travel
- 30. number Number of protons plus neutrons
- 31. A positively or negatively charged atom