Across
- 2. Metals Group 1 elements (except Hydrogen) - most reactive metals on the periodic table
- 4. shiny, malleable, ductile and good conductors
- 6. Found along the 'staircase'. Have properties of both metals and nonmetals
- 8. Positively charged particle in the nucleus of an atom
- 10. A tiny, negatively charged particle that moves around the nucleus of an atom.
Down
- 1. pure substance that consists entirely of one type of atom
- 3. Earth Metals group 2 elements not as reactive as group 1
- 5. brittle , dull, poor conductors of heat and electricity; located on the right side of the periodic table
- 7. A subatomic particle that is neutral and that is found in the nucleus of an atom
- 9. the smallest unit of an element that maintains the properties of that element