Chapter 6 and 7 Crossword

3. Elements in Group 8A,
6. Ions that are produced when atoms of chlorine and other halogens gain electrons.
7. Ion with a positive charge.
8. Elements in Groups 1A through 7A.
14. Electrons in the highest occupied energy level of an atom.
17. Energy required to remove an electron from an atom.
18. number of ions of opposite charge the surround the ion in a crystal.
22. Mixtures composed of two or more elements.
23. Good conductors of heat and electric current.
24. Fact to explain why atoms form certain kinds of ions and molecules.
25. Ion with a negative charge.
26. Group 1A elements.

1. Nonmetals of group 7A.
2. Usually composed of metal cations and nonmetals anions.
4. lowest whole number ratio of ions in an ionic compound.
5. Atom or group of atoms that have a positive of negative charge.
9. Diagrams that show valence electrons as dots.
10. Ability of an atom of an element to attract electrons when the atom is in a compound.
11. Group 2A elements.
12. Appear below the main body of the periodic table.
13. of the attraction of the free-floating valence electrons.
15. Poor conductors of heat and electric current.
16. Group B elements that are displayed in the main body of the periodic table.
18. shows the kinds and numbers of atoms in the smallest representative unit of a substance.
19. One half of the distance between the nuclei of two atoms of the same element when the atoms are joined.
20. electrostatic forces that hold ions together.
21. Generally has properties that are similar to those of metals and nonmetals.