Across
- 2. The amount of space occupied by an object.
- 3. Has the atomic number of 30.
- 5. A change in which one or more substances are converted into different substances.
- 8. A good conductor of heat and electricity.
- 10. Number of waves that pass a given point in a specific time, usually one second.
Down
- 1. Has an atomic number of 80.
- 4. Atoms of the same element that have different masses.
- 6. An element hat has some characteristics of metals and some characteristics of nonmetals.
- 7. The number of protons in the nucleus of each atom of that element.
- 9. The smallest unit of an element that maintains the properties of that element.