<p>Name: ______Period: ______Date: ______</p><p>STUDY GUIDE: 100 pts (Yes, this study guide is worth 100 pts)</p><p>1. ______- the basic unit of matter.</p><p>2. An atom has 2 parts : a.) ______- the center of an atom; b.) ______- where electrons are located</p><p>3. Nucleus – the center of an atom; where the ______and ______are located</p><p>4. ______- positively charged particles</p><p>5. ______- negatively charged particles</p><p>6. ______- no charge; neutral particles</p><p>7. The Atomic number is equal to the number of ______. Usually the Atomic number is bigger and bolder in print in the Periodic table</p><p>8. Number of protons = number of ______; thus an atom is neutral</p><p>9. Number of Neutrons = atomic mass (ROUND off this number) - ______number</p><p>= atomic mass - number of ______</p><p>10. Consider the following elements Oxygen; Carbon; Lithium</p><p>Oxygen Carbon Lithium</p><p> p+= p+= p+= ______e- = ______e- = ______e- = ______n = ______n = ______n = ______</p><p>11. The elements in the Periodic table are arranged HORIZONTALLY (ROWS) into ______; and VERTICALLY (Columns) into ______.</p><p>12. There are 7 ______in the Periodic Table. The period number is equal to the number of ______or shells. </p><p>13. The elements in the Periodic table are placed into groups according to its properties. Elements with ______properties belong to the same group.</p><p>14. Consider the following elements for the chart below: Magnesium (Mg); Chlorine (Cl); Nitrogen (N) Period #= ______Period #= ______Period #= ______Energy Level = ______Energy Level = ______Energy Level = ______Group Number = ______Group Number = ______Group Number = ______Valence electrons = ______Valence electrons = ______Valence electrons = ______Structure of Mg Structure of Cl Structure of N</p><p>15. ______electrons – are electrons on the outermost level of last shell of an atom. To find the ______electrons, look for the ______numeral where</p><p>I =1; </p><p>II = 2; </p><p>III = 3’ </p><p>IV= ______; </p><p>V = ______; </p><p>VI = ______; </p><p>VII = ______; </p><p>VIII= ______. </p><p>NOTE: The valence electrons should not exceed ___8____ electrons. If your answer is more than 8; there must be an ERROR.</p><p>16. The Families in the Periodic Table: Describe the different families and give examples</p><p> a.) Alkali Earth Metals- ______</p><p>Ex. ______</p><p> b.) Alkali Earth Metals - ______</p><p>Ex. ______c.) Transition Metals – strong, malleable, dense</p><p>Ex. ______</p><p> d.) Metalloids - ______</p><p>Ex. B (Boron), Si (Silicon), Ge (______) , As (______) , Sb </p><p>(______), Te (______), At </p><p>(______)</p><p> e.) Non- metals - ______</p><p>Ex. ______</p><p> f.) Halogens - ______</p><p>Ex. ______</p><p> g.) Noble Gases - ______</p><p>Ex. ______</p><p>17. What are the 3 regions in the Periodic Table? Identify and describe each</p><p> a.) ______</p><p> b.) ______</p><p> c.) ______</p><p>18. TRENDS IN Periodic Table:</p><p> a.) REACTIVITY - ______Reactivity ______from Left to Right because ______</p><p>Reactivity ______from Top to Bottom because ______b.) Atomic Radius – the size of an atom</p><p>Atomic radius ______from left to right because ______</p><p>Atomic radius ______from top to bottom because ______</p><p> c.) Ionization Potential/Ionization energy – energy required to remove the valence electrons. Ionization energy ______from left to right because ______</p><p>Ionization Energy ______from top to bottom because ______</p><p>Less valence electrons - ______ionization energy</p><p>More valence electrons - ______ionization energy</p><p> d.) Electronegativity – tendency of an atom to ______electrons</p><p>Electronegativity ______from left to right because ______</p><p>Electronegativity ______top to bottom because ______</p><p>Less valence electrons - ______electronegative</p><p>More Valence electrons - ______electronegative</p><p> e.) Electron Affinity – ______Electron Affinity ______from left to right because ______</p><p>Electron Affinity ______top to bottom because ______</p><p>Less valence electrons - ______electronegative</p><p>More Valence electrons - ______electronegative</p><p>19. Electrons as Wave and Particles. Illustrate or Draw the following:</p><p>Long wavelength Short wavelength</p><p>High frequency Short Frequency</p><p> High frequency will have ______energy</p><p> Low Frequency will have ______energy</p><p>19. Complete the Chart Below:</p><p>Elements Symbol Family Total Period Group Valence Metal, Number Number Number electrons nonmetal, or of metalloid? electron s</p><p>Magnesium Sodium</p><p>Chlorine</p><p>Oxygen</p><p>Arsenic</p><p>20. Draw the atoms above using the Bohr model:</p><p>Magnesium Sodium</p><p>Chlorine Oxygen</p><p>Hydrogen Neon Reflection:</p><p>1. Which topic(s) did you find easy? ______</p><p>2. Which topic (s) did you find difficult? ______</p><p>3. Which topic (s) are confusing? ______</p><p>4. What are you going to do to pass in the Final exam? ______</p>