Across
- 3. a pure substance that cannot be broken down into simpler substances by chemical means, and is made of only one type of atom
- 4. short notation derived from the scientific name of a chemical element
- 6. the number of protons in the nucleus of an atom
- 7. is an atom or group of atoms that has gained or lost one or more electrons, giving it a net electric charge.
- 8. a chart that arranges the chemical elements in order of increasing atomic number, grouping them by recurring chemical properties, electron configuration, and other characteristics
Down
- 1. a characteristic of matter that can be observed or measured without changing its chemical identity,
- 2. a probability field, the area in space where an electron is likely to be.
- 5. the total number of protons and neutrons in an atom's nucleus