Across
- 3. positively charged particle in the nucleus of an atom
- 5. pure substance that consists entirely of one type of atom
- 8. a tiny, negatively charged particle that moves around the nucleus of an atom.
- 9. Found along the 'staircase. Have properties of both metals and nonmetals
- 10. vertical columns on the periodic table that have common properties. also known as families
Down
- 1. a subatomic particle that is neutral and that is found in the nucleus of an atom
- 2. brittle, dull, poor conductors of heat and electricity; located on the right side of the periodic table
- 4. shiny, malleable, ductile and good conductors
- 6. horizontal rows on the periodic table
- 7. the smallest unit of an element that maintains the properties of that element