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Ch. 13 Worksheet
Ch. 13-1
1. Which orbital is the first to be filled in any atom? __________
2. How many electrons can each orbital hold?
s = _______, p = _______, d = ______, f = ______
3. The third energy level (n=3) can hold a maximum of _______ electrons and is divided
into a total of _______ sublevels.
4. According to Bohr, the electron in the hydrogen atom moves around the nucleus in
circular paths called ________________________________.
5. In the modern theory of the atom, a (n) __________________ represents a region of
space in which there is a high probability of finding an electron.
6. When an electron goes up a level (____________________the nucleus) it
__________________ energy.
7. The f sublevel may contain a maximum of ________ electrons
8. The s orbital is ___________________________ shape.
9. The second energy has a total of ________ sublevels/orbitals.
Ch. 13-2
10. Write the full AND abbreviated electron configuration for:
a. Mg
_____________________________________________________
b. I
_____________________________________________________
_____________________________________________________
c. Cu
_____________________________________________________
d. Cr
_____________________________________________________
11. Electrons within a given orbital must have __________________ spins.
12. The outermost electron in calcium and potassium are expected to be found in the
_________ orbital.
13. When an electron in an excited state returns to its ground state, the excess energy is
________________ in the form of ___________________.
Ch. 13-3
14. The speed with which electromagnetic radiation moves through a vacuum is called the
__________________________________.
15. Circle the answer. Ultraviolet radiation has MORE/LESS energy than infra-red
radiation.
16. Circle the answer. Red light has a LONGER/SHORTER wavelength that violet light.
17. The lowest possible energy state of an atom is called the ______________ state.
Electron
Configuration
1s
2s
2p
H-1
______________________
_
_
___
_
___
_
_____
___
He-2
______________________
_
_
___
_
___
_
_____
___
Li-3
______________________
_
_
___
_
___
_
_____
___
Be-4
______________________
_
_
___
_
___
_
_____
___
B-5
______________________
_
_
___
_
___
_
_____
___
C-6
______________________
_
_
___
_
___
_
_____
___
N-7
______________________
_
_
___
_
___
_
_____
___
O-8
______________________
_
_
___
_
___
_
_____
___
F-9
______________________
_
_
___
_
___
_
_____
___
Ne-10 ______________________
_
_
___
_
___
_
_____
___
Na-11 ______________________
_
_
___
_
___
_
_____
___
Mg-12 ______________________
_
_
___
_
___
_
_____
___
Al-13 ______________________
_
_
___
_
___
_
_____
___
Si-14 ______________________
_
_
___
_
___
_
_____
___
P-15
______________________
_
_
___
_
___
_
_____
___
S-16
______________________
_
_
___
_
___
_
_____
___
Cl-17 ______________________
_
_
___
_
___
_
_____
___
Ar-18 ______________________
_
_
___
_
___
_
_____
___
K-19 ______________________
_
_
___
_
___
_
_____
___
Ca-20 ______________________
_
_
___
_
___
_
_____
___
Sc-21 ______________________
_
_
___
_
___
_
_____
___
Ti-22 ______________________
_
_
___
_
___
_
_____
___
V-23 ______________________
_
_
___
_
___
_
_____
___
Cr-24 ______________________
_
_
___
_
___
_
_____
___
Mn-25 ______________________
_
_
___
_
___
_
_____
___
Fe-26 ______________________
_
_
___
_
___
_
_____
___
Co-27 ______________________
_
_
___
_
___
_
_____
___
Ni-28 ______________________
_
_
___
_
___
_
_____
___
Cu-29 ______________________
_
_
___
_
___
_
_____
___
Zn-30 ______________________
_
_
___
_
___
_
_____
___
Ga-31 ______________________
_
_
___
_
___
_
_____
___
Symbol
Orbital Notation
3s 3p
4s
3d
4p