Across
- 3. notation of one or two letters representing a chemical element
- 4. a column in the periodic table of the chemical elements
- 8. a metallic substance composed of two or more elements
- 12. the number of a chemical element in the periodic system
- 13. a positively charged particle that resides in the nucleus of an atom
- 14. an uncharged elementary particle that has a mass nearly equal to a proton
- 16. sum of the numbers of proton and neutrons
- 18. a chemical element that mostly lacks the characteristics of a metal
- 20. the spontaneous passage or diffusion of water or other solvents through a semipermeable membrane
- 22. an element that readily forms positive ions
- 23. substance that has mass and takes up space by volume
- 25. of or relating to the inside of the atom
- 27. any substance that cannot be decomposed into simpler substances
- 28. a chemical element that exhibits some properties of metals and nonmetals
- 29. alternative title for atomic number
Down
- 1. a fundamental theory of matter that explains physical properties in terms of the motion of atoms and molecules
- 2. any of the six chemical elements that make up group one on the periodic table
- 5. rows of the periodic table
- 6. the act of spreading or allowing to spread freely
- 7. a tabular display of the chemical elements
- 9. a chemical element that forms a salt when it reacts with metal
- 10. a tiny bit of matter that makes up everything in the universe
- 11. the capacity for doing work
- 15. the most prominent organelle in a cell
- 17. how much of a substance is mixed with another substance
- 19. a negatively charged subatomic particle
- 21. six chemical elements in group 2 of the periodic table
- 24. smallest unit into which matter can be divided without the release of electrically charged particles
- 26. a substance formed when two or more chemical elements are chemically bonded together
- 30. a group of atoms bounded together