Elements and the Periodic Table
Across
- 2. particle with no charge
- 3. atoms with the same number of protons and a different number of neutrons
- 5. elements in group 17 of the periodic table
- 6. element that is a poor conductor of electricity and is reactive with metals
- 8. average mass of all isotopes of that element
- 11. the process of destruction of a metal
- 13. the metals of group 1 in the periodic table
- 15. sum of the number of protons and neutrons in the nucleus
- 17. organized representation of all elements
- 19. particle with a negative electric charge
- 20. the ability to combine with other elements and compounds
- 22. elements in group 18 that are usually unreative
- 24. very small center core of an atom
- 25. the ability to transfer heat to another object
- 27. class of elements characterized by shininess, malleability, ductility and conductivity
Down
- 1. the metals of groups 3-12 on the periodic table
- 4. an element that consists of two atoms
- 7. the vertical columns on the periodic table
- 9. the metals of group 2 in the periodic table
- 10. the ability to be hammered into flat sheets
- 12. elements with characteristics of both metal and nonmetals
- 14. one or two letter representation of each element
- 16. particle with a positive electric charge
- 18. the horizontal rows on the periodic table
- 21. mixture of a metal with at least one other element
- 23. the number of particles in the nucleus that is unique to each element
- 26. the ability to be drawn into a long wire