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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