Across
- 2. the relative amount of a particular substance contained within a solution
- 4. a solid material which is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
- 8. a minute portion of matter
- 9. a metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion.
- 10. physical substance in general
- 11. a thing that is composed of two or more separate elements
- 12. a subatomic particle of about the same mass as a proton but without an electric charge
- 15. the strength and vitality required for sustained physical or mental activity.
- 17. a group of atoms bonded together
- 18. a thing that represents or stands for something else
- 19. a length or portion of time
Down
- 1. any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table
- 3. the positively charged central core of an
- 5. having the properties of an alkali
- 6. a stable subatomic particle occurring in all atomic nuclei
- 7. a stable subatomic particle with a charge of negative electricity
- 9. the smallest particle of a chemical element that can exist
- 13. a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one
- 14. an essential or characteristic part of something abstract
- 16. a set of elements occupying a column in the periodic table and having broadly similar properties arising from their similar electronic structure