Physical Science Test Review Guide Chapter 6

Physical Science – Test Review Guide – Chapter 6

Triple bond lithium fluoride alkali, alkaline earth gaining, losing Dot Aluminum sugar calcium noble nonmetal ration BeCl2 Iron(II) SO3 one, one transition letters covalently ionic ratio formula symbol two ionic di-

1. The name of the iron ion with a 2+ charge is _____. 2. _____ is the formula for the compound made of beryllium and chlorine that are in a one-to-two ration. 3. Al is the symbol for _____. 4. The atoms in a compound are always combined in the same _____. 5. _____ melts at a lower temperature than salt because it has covalent bonds, while salt has ionic bonds. 6. The valence electrons are represented by a _____ in an electron-dot diagram. 7. In the compound CaCl2, there are two chlorine ions for every _____ ion. 8. Sulfur trioxide has the formula _____. 9. _____ gases are the most stable of the elements because they have a full outer level. 10. In the compound KI, the ions are in a _____ to _____ ratio. 11. A diatomic molecule often forms between two of the same _____ atoms. 12. The _____ metals are the most likely to form more than one type of ion. 13. The non-valence electrons and the nucleus of an atom are represented by the element _____ in an electron-dot diagram. 14. In a(n) _____ bond, electrons are transferred. 15. In the compound MgCl2, the subscript 2 means that there are _____ chloride ions for every magnesium ion. 16. In the formula N≡N, what type of bond is there between the two nitrogen atoms? 17. When fluorine and lithium form a compound, what is the compound name? 18. The _____ metals and the ______metals form positive ions that are the same as the group number. 19. In the compound with one carbon and 2 oxygens in the formula, the prefix _____ is used to show that there are 2 oxygens. 20. A stable electron configuration is achieved by _____ or _____ electrons. 21. The arrangement of the atoms is not shown in a chemical _____. 22. An empirical formula shows the simplest _____ of atoms present. 23. The attraction between cations and anions are what hold the compound together in a(n) _____ compound. 24. A polyatomic ion is one in which a _____ bonded group of atoms has a charge. 25. In element symbols, there will be either one or two _____.