Vocabulary Unit 5 Crossward Puzzle
Across
- 2. A horizontal row of elements in the periodic table
- 3. Refers to the protection of valence electrons by core electrons in inner energy levels (distance)
- 9. loss of electrons
- 10. an element that conducts heat and electricity poorly
- 13. the ability of an atom to attract electrons when the atom is in a compound
- 15. an element that has properties of both metals and nonmetals
- 16. the repeating pattern of chemical and physical properties of the elements
- 17. Distance from the center of an ion's nucleus to its outermost electron
Down
- 1. a vertical column of elements in the periodic table
- 4. A positively charged ion
- 5. gain of electrons
- 6. one-half the distance between the nuclei of two atoms of the same element when the atoms are joined
- 7. the condition of an atom expressed by the number of electrons that the atom needs to reach its elemental form
- 8. Electrons on the outermost energy level of an atom
- 11. an element that is shiny and that conducts heat and electricity well
- 12. A negatively charged ion
- 14. The amount of energy required to remove an electron from an atom