Download Electrons and the Periodic Table

Acceleration (CPO C-1)
Question
How is the periodic table organized?
1
Where do you find electrons in an atom?
Energy Level
Type of Electron
Orbital
Number of Electron
Orbitals
Number of Electrons
in the Orbitals
(#of electron orbitals x 2)
1
s
1
2
2
s
1
2
p
3
6
s
1
2
p
3
6
s
1
2
p
3
6
d
5
10
s
1
2
p
3
6
d
5
10
3
4
5
2
Total Number of
Electrons in Each
Energy Level
More on electron orbitals
a. How many pockets for electrons are on the Atom Building Game board?
b. Can you build Xenon-136 using the Atom Building Game?
c. Explain why or why not.
d. Name one atom that you cannot build using the Atom Building board.
e. Name an atom that has electrons in an f orbital.
f. Where is this atom on the periodic table?
3
Electron configurations
a. Based on ununoctium’s electron configuration, what is the maximum number of electrons that can occupy
each orbital (s,p,d, and f)?
s=
p=
d=
f=
b. How many electrons does ununoctium have?
c. Does ununoctium have any stable isotopes?
d. What does the name “ununoctium” mean?
4
How do you fill the electron orbitals on the Atom Building Game board?
1. H
3. Li
5. B
7. N
9. F
11. Na
13. Al
15. P
17. Cl
19. K
21. Sc
23. V
25. Mn
27. Co
29. Cu
31. Ga
33. As
35. Br
5
2. He
4. Be
6. C
6. O
10. Ne
12. Mg
14. Si
16. S
18. Ar
20. Ca
22. Ti
24. Cr
26. Fe
28. Ni
30. Zn
32. Ge
34. Se
36. Kr
Electron configuration and the periodic table
a. How are the numbers of the energy levels (1-7) related to the organization of the periodic table?
b. Which elements have completely filled outermost energy levels?
c. Where are these elements on the periodic table?
d. Which elements have only one electron in the outermost energy level?
e. Where are these elements on the periodic table?
f. Which elements have only two electrons in the outermost energy level?
g. Where are these elements on the periodic table?
h. Which elements (besides hydrogen) need only one electron to have completely filled outermost s and p
orbitals?
i. Where are these elements on the periodic table?
j. What is the relationship between location of groups on the periodic table and number of outermost electrons
of the main group elements?
k. What is the relationship between group number and the electron configurations of the transition metals?
Questions
1. What information can you get from the periodic table.
2. What two pieces of information do you need to know about an electron in order to figure out where it probably
is located around the nucleus of an atom?
3. Explain the differences among s, p, d, and f electron orbitals.