Across
- 4. The closeness of a measurement to the true or accepted value.
- 6. A horizontal row of the periodic table.
- 8. Elements in Group 6A (O, S, Se, Te, and Po).
- 10. The vertical distance from the midline of a wave to the top of the peak or the bottom of the trough.
Down
- 1. _____ radiation: The electromagnetic radiation emitted from a heated solid.
- 2. _____ numbers: Numbers required to describe the arrangement of electrons in an atom.
- 3. _____ state: The lowest energy state of an atom.
- 5. _____ change: A process in which one or more substances are changed into one or more new substances.
- 7. A substance that cannot be separated into simpler substances by chemical means.
- 9. _____ property: A property that depends on the amount of matter involved.