Science review crossword thing
Across
- 2. creator of the billiard ball model
- 6. creator of the nuclear model
- 9. special name for group 18
- 16. a positive electric charge
- 19. the eightieth element of the periodic table
- 20. sodium and chlorine and an ionic compound
- 21. atomic radius _______ as the energy level increases
- 23. the third element of the periodic table
- 24. the smallest particle of an element that give the element its properties
- 25. a property of metals
- 26. carbon and oxygen and a molecular compound
- 28. the first element of the periodic table
- 29. negative ion
- 30. special name for group 17
- 31. a property of non-metals
Down
- 1. in between metals and non-metals
- 3. a neutral electric charge
- 4. creator of the planetary model
- 5. the outmost energy level
- 7. a negative electric charge
- 8. special name for group 1
- 10. the twelfth element of the periodic table
- 11. a group of atom that share electrons
- 12. a compound that is made from 2 or more elements sharing electrons
- 13. the second element of the periodic table
- 14. a _______ is formed when a metal reacts with a non-metal
- 15. creator of the plum pudding model
- 17. the eleventh element of the periodic table
- 18. creator of the periodic table
- 22. positive ion
- 27. the sixth element of the periodic table