Periodic Table and the Elements
Atomic Structure, the Periodic Table and the Elements Name _______________________________
Reading Questions from pgs. 104-128 Period _______ Date ___________________
1. What is the Greek meaning of the word “atom”? ___________________________________________________
2. Who first developed the idea that the universe was made of “invisible units called atoms”? ___________________
3. In 1808, who developed the first atomic theory with a scientific basis? ___________________________________
4. What are the three subatomic particles that make up atoms? ___________________________________________
5. What subatomic particles are found in the nucleus of an atom? _________________________________________
6. What particle is found moving around the outside of the nucleus in the form of a cloud? _____________________
7. What is the charge of a proton? ______________ an electron? ________________ a neutron? _______________
8. Why are atoms neutral? ________________________________________________________________________
9. In 1913, what did Niels Bohr suggest regarding the motion of electrons around the nucleus of an atom? ________
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10. What part of Bohr’s model is still considered accurate today? __________________________________
11. What is a valence electron? _____________________________________________________________________
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12. What is the maximum number of valence electrons an atom can have? ____________
13. On the periodic table, what feature represents a period? ________________________
14. What feature represents a group? _______________________________________
15. How does an atom become an ion? _______________________________________________________________
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16. Describe the difference between the atomic number and the mass number of an atom _____________________
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17. What is the largest naturally occurring atom? _____________________________
18. What is an isotope? ____________________________________________________________________________ ____________________________________________________________________________________________
19. What are the three isotopes of hydrogen? 1) __________________________, 2) _________________________, 3) ___________________________
20. What are the similarities and differences between deuterium and protium? ________________________________ ___________________________________________________________________________________________
21. What are the 3 main categories elements can be classified as on the periodic table? 1) _________________________, 2) _________________________, 3) __________________________
22. What are the major differences between the 3 main classifications of elements? ____________________________ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
23. What is another name for elements in Group 1? ________________________________________
24. What charge do all elements in Group 1 form? ______________
25. Why must sodium be stored in oil? ________________________________________________________________
26. What is another name for the elements in Group 2? _________________________________________
27. What charge do all elements in Group 2 form? ______________
28. Name five different things you can find calcium compounds in. 1) __________________, 2) _________________, 3) _____________________, 4) _____________________, 5) ______________________
29. What Groups make up the transition metals? __________________
30. What are some things that most metals can do, especially transition metals? ______________________________ ____________________________________________________________________________________________
31. What does radioactive mean? ____________________________________________________________________ ____________________________________________________________________________________________
32. On what side of the periodic table are nonmetals found? _____________________
33. What are the 3 forms of carbon? 1) ___________________ 2) ___________________ 3) ____________________
34. What are the most plentiful gases in the air? ________________________________________
35. Where can you find sulfur compounds? _________________________________________
36. How are noble gases different from most elements? __________________________________________________ ____________________________________________________________________________________________
37. What ions do the noble gases form? _______________________________________________________________
38. What is special about semiconductors? _____________________________________________________________ ____________________________________________________________________________________________
39. Where are the semiconductors found on the periodic table? ____________________________________________ ____________________________________________________________________________________________
40. List 5 examples of semiconductors: ________________________________________________________________________________________________________________________________________________________________________________________
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