Across
- 2. When all elements in 1 are listed, eg. H2SO4
- 8. All elements in the universe arranged.
- 12. The name for group 1 elements.
- 14. The positively charged subatomic particle.
- 15. The name for group 17 elements.
- 16. A pure substance made up of only 1 atom.
- 18. 2 or more different elements bonded, eg. NaCl
- 19. How compact a substance is.
- 21. The amount of space an object takes up.
- 22. A small part of matter.
- 23. The short way of representing an element.
- 24. The amount of matter in something.
- 25. A column (up + down) in the periodic table.
- 26. The number of protons in an atom.
- 27. The name for outer shell of electrons.
Down
- 1. Used to describe parts of an atom.
- 3. The name of the chemical C32H12BF24.
- 4. A force that holds 2 atoms together.
- 5. The smallest, negative subatomic particle.
- 6. Similar to both metals and nonmetals, eg. Si
- 7. An element that is a good conductor, eg. Cu
- 8. A row (side to side) in the periodic table.
- 9. The ability of atoms to have reactions.
- 10. A not shiny and not conductive element, eg. O
- 11. The mass of an atom, measured in AMU.
- 13. The name for the group 18 elements.
- 17. A group of 2 or more atoms bonded, eg. H2
- 20. The middle of the atom.
- 28. The smallest unit of matter.
- 29. The neutrally charged subatomic particle.