Study Guide .for the Electron.
.1. Whatisaquantaofenergy? Sÿq('L\\ ÿ-L'iXe#,l OLWÿC'kkÿqÿ O?
f
Pÿ CLÿÿ Ctÿ-OFr-'h
2ÿ- lfan electron moves farther from the. nucleus, it has,, ÿJÿ fO.._
-energy.
3. TO emit energy; electrons, move to a lower-energy level, which iS. (q! () ÿ..ÿtÿ'
to-the
nucleus,
4. Can an electron eXist in between ene(gy levels?
Yes:
or
:5ÿ W!ÿo developed the quantum mechanical model?
.
How many .electron.s can Occupyeach. atomic, orbital?
ÿ-
7. What percent chance d0yOU have-of findinsÿ aii electron: in its orbital?
8, How many orbitals :are.found =in,a d-subleve]?
,
!n order for electrons to 0ceUFn/the same atomic orbital, electrons must have 0(ÿJ!-ÿspins.
10, The .letter, n,is used to represent the: ÿY[O Ttÿ1 LI
Same thing;as sayingthe second energy [eve!.
-,ÿ t
• In other words, n =2 is the
11...........
How many electrons
can occupy
f-sublevel;
.
.......
..... a....
%
12, whfch subleve] has a spherical shape?,
13. What sublevel has. three atom-[e, o.rbita!s!? . ÿ)
4, w,..hat waÿ [nc:orreÿabo, ut Bohd;.s pJa.nÿta.ry modÿel 0f the atom-? £LÿP.:C-ÿ'n ÿ ÿ00' j'ÿ O Y" b J )--
t5. ,vvr)at element haÿs the electron ,configur.ation o ltlÿ2s22p:e3sÿ3pS4s23dS? ÿvÿ 0ÿ 5CLY'] p-_ÿSR ÿ iLq v-)b
:L6. Whatis:wrongwiththiselectronconfiÿuration:;.22s22pT? ÿ QCLÿ VY3ÿ'\ ÿ TjY-ÿ, Of--
1ÿ/. For the e[eÿtr.oD ccmf,,urat,o,n, Isÿ2sÿ:p,, how ÿ any electrorjs: aÿ°re fn tÿeCÿeÿetgy level?ÿ
..........
........
. ts22sÿ2pe3ÿZ3pÿ4sÿ3ds,
..
..
.. which sublevels
.
......
.
..
.........
i8. For
the electron,cotYfiÿuration,
are:..,
incomplete;
Also ispecify
the energy levelÿ °f the sublevel" ÿ ykÿTcÿe \t ÿ% (ÿi : -ÿ
t6:
_
19. If the first energy level only has an s-sublevel, there will be I atomic orbital and
a maximum of
%
electrons on n = 1,
20. If the second energy level has a s sublevel and a p sublevel, there will be L1L
atomic orbitals and a maximum of Z electrons on n = 2.
21. If thethird energy level has a s-subievel, a p sublevel, and a d sublevel, there will be
atomic orbitals and a maximum of \ <ÿ electrons on n =3.
22. If the fourth energy level hasa s sublevel, a p sublevel, a d sublevel, and a f sub!evel,
there will be ÿ) atomic orbitals anda maximum of ÿ]-.. electrons on n =4.
23. Which two elements have electron configurations that are exceptions to the rules? Write their name
28, State/Exp!ain Au{bau Princ!ple,
29. State/Explain Pauli,%"Exclusion Principle.
30. State/Exp!ain Hund'srule.
ÿC\ÿ iÿ' 3_ÿ' tMqlgO.ÿTd ÿ_]e(_--ÿ@qS
J
31. Who proposed the quantum mechanical model?
32, How many orbitals are located in n=2?
L.ÿ
33. How many d-orbitals are found in n=3?
f-X
34. How many p-orbitals are found in the first energy level? J/-.,'
35. How many sublevels are in the fourth principal energy level?
36. List the types of electromagnetic radiation in order of increasing energy.
37, Which has more energy: red light or violet light?
v i (:ÿ\P_½
38. What element has an electron configuration that ends in 5p2? <ÿ(-ÿ ÿ -[-i
39. What element has an electron configuration: [Xe]6s24fÿ45d4?
40. What element has the electron configuration, ls22s22p63s23p27
41. How many energy levels are found in a potassium atom? L_ÿ
42, Draw the orbital diagram for phosphorus, How many electrons are in the p sublevel?
43. Draw the orbital diagram for carbon. How many unpaired electrons are found in carbon?
44, How many unpaired electrons are found in iron7
i .j
di$
z_ t
D >
r
.,, i<
i
"ÿ > _sJ,
45, Write the complete electron configuration for radon. Which" energy leveÿ is'incomplete?
46. Write the noble gas e ectron configuration for indium. How many electrons are on the outermost
energy leveJ_of
,ÿ ,'o,;_.-:
,
" ' "indium?
"- -<"t.
, ÿ
"ÿ
,ÿ. 'ÿ
ÿ. ..... ,.
ÿ:7=ÿÿ,
47. If an element has 6, valence electronsÿon-ÿl:ÿJcd ene_rgyÿvel, what element is this?
O,.At<..,48. What sublevel would come next in an electron configuration?
ls.,;2s..,2p,.,3s;..3p,,.4s... ÿ (Lÿ
18
(
Using your equations on page 6, fill out the table below. You will need to use the work space
provided.
W'avelength (m)
Frequency (Hz or s-1)
Energy (3)
0.001
,ÿ
7.0 x i 013
2.
1.2 x 10"7
2.0 x 10-15
1.3 x 1022
5ÿ
(
Show work for questions above here! (p
¢- A o,ool
19
Element
Symbol
Element
Name
H
He
Orbital Diagram
Electron Configuration
t
15z
Li
Be
Iÿ2 2ÿ
, _ÿ
B
_2
t-3 ÿ)
C
N
O
F
Ne
Na
Mg
A1
Si
P
t
jÿ
:o
"L
el
L
ÿ"
"
is zÿ 22 .3ÿ: 31ÿ
Z.
Z
L ? .j
t S Z,> 2 i? .3 ÿ.> ÿip
20
2_0
.-A1:
/
.!ÿ ÿ ÿ ÿ.:ÿrÿÿ Lÿ5
C
wi.
¥
2pÿ ÿ3ÿ ÿ
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