Across
- 4. A region of space around the atomic nucleus within which electrons my reside.
- 5. The pattern of frequencies electromagnetic radiation emitted by atoms of an element; considered to be an elements fingerprint.
- 6. A representation of an object on some convenient scale.
- 10. Any subatomic particle found in the atomic nucleus, another name for either a proton or neutron.
Down
- 1. A representation of a system that helps up predict how the system behaves.
- 2. An electrically neutral subatomic particle in the atoms nucleus.
- 3. The mass of an element's atoms; listed in the periodic tableas an average value based on the relative abundance of the isotopes of the elements.
- 7. An abbreviation for and element or atom.
- 8. An extremely small, negatively charged subatomic particle found in a cloud outside the atomic nucleus.
- 9. A verticle colomn in the periodic table; also known as a family of elements.