Across
- 3. bond the electrostatic bond between two ions formed through the transfer on one or more electrons
- 7. a rare, steel-gray metallic element used in high temperature
- 9. if special beauty or charm, rare and appealing excellence
- 10. an elementary particle having no charge
- 13. a period of temporary pause
- 15. a scarce, metallic, grayish-white element used in transistors
- 17. Table a table illustrating the periodic system, in which chemical elements, are arranged according to their atomic numbers formerly arranged in atomic weight
- 19. movement or change from one position to another; change
- 20. to theorize, infer, or tentatively conclude
Down
- 1. common; ordinary
- 2. a class of substances that cannot be separated into simpler substances by chemical means.
- 4. gaseous element present in the sun's atmosphere and in natural gas
- 5. a positively charged elementary particle.
- 6. the quality that determines the number of atoms or groups with which any single atom or group will unite chemically
- 8. as soft, silver-white metallic element
- 11. any of the electronegative elements that form binary salts by direct union with metals
- 12. existing as free; uncombined atoms
- 14. a colorless, odorless, flammable gas that combines chemically with oxygen to from water
- 16. composed of two or more parts, elements, or ingredients
- 18. a wave function describing the state of a single electron in an atom or molecule