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Study Guide for Chapter 6: The Periodic Table Regions of the Periodic Table (know where they are and the properties) Metals Nonmetals Metalloids Hydrogen Alkali Metals Alkaline Earth Metals Transition Metals Inner Transition Metals Lanthanide Series Actinide Series Halogens Noble Gases Valence Electrons What are they? How many valence electrons does an element have? 1 Periodic Trends Atomic Radius How is it measured? What are the trends? Why do the trends occur? Ionic Radius How do positive and negative ions form? What are they called? Ionization Energy What is it? What are the trends? Why do the trends occur? What is second and third ionization energy and when does a big jump in ionization energy occur? What is the change in size with a positive and negative ion? Electronegativity What is it? What are the trends? Why do the trends occur? 2 Write the letter that corresponds to the correct description of the element 1. _______ This element is a noble gas 2. _______ This element is radioactive 3. _______ This element is somewhat reactive in oxygen and water 4. _______This element is a transition metal 5. _______This element is a member of the alkali metals 6. _______ This element is an inner transition metal, but is not radioactive 7. _______ This element is more reactive than the element in #3 8. _______ This element is reactive non metal 9. _______ This element is a semiconductor (not bad/good but in between_ 10. _______ This element is the most abundant element in the universe 11. _______ This element has properties similar to nitrogen 12. _______ This element is a non reactive non metal 13. _______ This element is malleable and ductile 14. _______ This element is a member of the halogen family 2 4 15. _______ This element has a valence electron configuration of s p 16. _______ This element has 3 valence electrons 17. _______ This element has 8 valence electrons 18. _______ This element only has to gain one electron to have a noble gas configuration 19. _______This element has to lose 2 electrons to have noble gas configuration 3 20. Circle the element with the following property a. The element with the greater radius K K+ b. The element with the greater atomic radius Na Cl c. The element with the greater ionization energy Mn Tc d. The element with the greater radius O O2- e. The element with the greater electronegativity Mg Si f. The element with the greater ionization energy K Zn g. The element with the greater atomic radius Cr Se h. The element with the greater ionization energy Br F 3+ i. The element with the greater radius Al Al j. The element with the greater electronegativity Br I k. The element with the greater atomic radius S Se l. 21. Pick two of the comparisons from # 20 and explain fully WHY the trend takes place. 22. Circle the word in parenthesis that completes the following statements correctly. a. As the atomic radius decreases, there is (more/less) proton/electron attraction, thus ionization energy (increases/decreases) b. Magnesium has a (larger/smaller) atomic radius than strontium because electrons are added to (the same/higher) energy level(s) as one goes down a group. c. Boron has a very (high/low) fourth ionization energy because the electron being removed is a (valence/core) electron. d. F- has a (smaller/larger) radius than F because in F- there are (more/less) electrons being attracted to the same number of protons in the nucleus. 4
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