Across
- 3. a group in the periodic table consisting of five chemically related elements
- 9. A period in the periodic table is a row of chemical elements
- 11. metal any of the six chemical elements that make up Group 1 (Ia) of the periodic table
- 12. a minute portion of matter
- 14. everything around you
- 15. a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds
- 16. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign
- 18. a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
- 19. smaller than or occurring within an atom
- 20. admixture of metals
Down
- 1. 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
- 2. the capacity of doing work
- 4. earth shiny, silvery-white, and somewhat reactive metals at standard temperature and pressure
- 5. a type of chemical element which has a preponderance of properties in between, or that are a mixture of, those of metals and nonmetals
- 6. a column in the periodic table of the chemical elements
- 7. a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei
- 8. spreading something more widely
- 10. Chemical symbols are abbreviations used in chemistry for chemical elements, functional groups and chemical compounds
- 13. An atom is the smallest unit of ordinary matter that forms a chemical element
- 17. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen