Chemistry review
Across
- 5. element with 7 valence electrons
- 6. when two or more elements form or break a bond
- 8. two or more atoms ionically bonded
- 11. tiny negatively charged
- 15. smallest unit of matter
- 17. force holding nucleus together
- 18. atom that has gained or lost an electron
- 20. force that pushes electrons apart from eachother
- 22. atoms closely packed together, unmoving
- 23. elements on the right side of the table
- 24. holds two atoms together
- 25. atoms spaced far apart
- 26. atoms packed close but sliding by
- 27. the basic measurement in chemistry
Down
- 1. two or more atoms covalently bonded
- 2. type of bond where atoms share electrons
- 3. type of bond where one atom takes an electron
- 4. many atoms forming a charged compound
- 7. outermost electrons
- 9. elements on the left side of the table
- 10. 118 different varieties
- 12. uncharged in the nucleus
- 13. positive in the nucleus
- 14. amount of space a substance occupies
- 16. measured with a thermometer
- 19. first column of elements
- 21. other force holding nucleus together