Periodic Table Worksheet
Use a Periodic table to find the information asked for below:
1.What is the atomic number of: Calcium____ Iron _____ Gold_____ Uranium_____ 2. What is the Atomic mass of: Calcium___ Iron_____ Uranium_____ Copper_____
3. How many protons do the following have? 4. How many electrons do the following have? Calcium have____ Gold have____ Gold_______ Iron_____ Copper______ Copper_____ Iron______ Uranium_____ 5. Does mercury have more protons and electrons than tin? 6. Is mercury a heavier element than tin? 7. Does potassium have more electrons than neon? 8. Does hydrogen have more electrons than Uranium? 9. Which has more protons, sulfur or iodine? 10. Which has more protons, iodine or silver? 11. In the boxes below make Bohr models for each of the elements. a. Determine how many electrons, protons, and neutrons there are in each atom. b. Draw a Bohr model of each element using the number of electrons, protons, and neutrons c. NOTE: The first energy level can only hold up to 2 electrons. The second energy level can hold up to 8 electrons.
_________ Electrons _________ Protons _________ Neutrons HELIUM
_________Electrons _________ Protons _________ Neutrons OXYGEN
12. Study the following model of an atom and answer the following questions: + + + + + + Key: + a. b. c. d. e. Particles with no charge Particles with negative charge Particles with positive charge
+ + +
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-
-
+
How many electrons does this atom have? _________________ How many protons? _________________ How many neutrons? ________________ What is the atomic number? ______________ Find the name of this element by referring to the periodic chart. _______________________
13. Write the symbols or the names for each of these elements: Chlorine __________________ _______________________ Zn Copper ___________________ Helium _____________ Potassium _________________ Iron ________________ Silver ____________________ _______________________ P _____________________ Na _______________________ Ne _____________________ Sn Mercury ______________
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