Across
- 2. a vertical column of elements in the periodic table; elements in a group share chemical properties
- 8. one of the elements of Group 1 of the periodic table
- 10. _____ element is an element in the s-block or p-block of the periodic table
- 13. one of the elements of Group 17
- 15. _____ electron is found in the outermost shell of an atom and that determines the atom's chemical properties
- 16. a measure of the ability of an atom in a chemical compound to attract electrons
- 17. one of the metals that can use the inner shell before using the outer shell to bond
Down
- 1. the reduction of the attractive force between a positively charged nucleus and its outermost electrons due to the cancellation of some of the positive charge by the negative charge of the inner electrons
- 3. the law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements
- 4. one of the elements of Group 2 of the periodic table
- 5. a member of the rare-earth series of elements, whose atomic numbers range from 58 to 71
- 6. a horizontal row of elements in the periodic table
- 7. a solid or liquid mixture of two or more metals
- 9. the energy required for an electron to be removed from an atom
- 11. half the distance from center to center of two like atoms that are bonded together
- 12. an unreactive element of Group 18 of the periodic table
- 14. a member of the highly reactive and radioactive series of elements, whose atomic numbers range from 89 to 103
