Solve all type answere Name Chem 3ALab Atomic Worksheet 2 Wo

Solve all type answere

Name Chem 3A-Lab Atomic Worksheet #2 Worksheet i9 How many energy levels contain one or more electrons in each of the following atoms 1. a. barium b. Iron Chlorine c. d. Lead 2. How many total orbitals containing one or more electrons are found in each of the following atoms? sodium a. b. bromine c. zinc d. silver 3. Give the short hand filling order for cach of the following atoms a. lead b. antimony c. rubidium 4. How many unpaired electrons are found in each of the following atoms a. sodium b. barium c. phosphorus d. sulfur e. cobalt 5. Give the long hand filling order for the following ions Arsenic (II) ion a. b. Stannic ion c. iodide ion 201

Solution

1.
a. Ba = 56 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 5s^2 5p^6 6s^2
6 energy levels
b. Fe = 26 1s^2 2s^2 2p^6 3s^2 3p^6 3d^6 4s^2
4 energy levels
c. Cl = 17 1s^2 2s^2 2p^6 3s^2 3p^5
   3 energy leveles
d. Pb = 82 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 5s^2 5p^6 6s^2 4f^14 5d^10 6p^2
    6 energy levels
2.
a Na = 11 1s^2 2s^2 2p^6 3s^1
    6 orbitals
b. Br = 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^5
    18 orbitals
c. Zn = 30 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2
    15 orbitals
d. Ag = 47 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 5s^1
       24 orbitals
3.
Pb = 82=[Xe] 4f^14 5d^10 6s^2 6p^2
Sb = 52 = [Kr] 4d^10 5s^2 5p^3
Rb = 37 = [Kr]5s^1
4.
a. Na = 11 1s^2 2s^2 2p^6 3s^1
   one unapired electron
b. Ba = 56 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 5s^2 5p^6 6s^2
   no unpaired electrons
c.P = 15 1s^2 2s^2 2p^6 3s^2 3p^3
    3 unpaired electrons
d. S = 16 1s^2 2s^2 2p^6 3s^2 3p^4
   2 un paired electrons
e. 1s^2 2s^2 2p^6 3s^2 3p^6 3d^7 4s^2
3 un paired electrons
6. a. K   b. P c. sr
7. smaller than the calcium atom
8. larger than bromine atom
9. a. Ba   b. Sn C. Br
10. Sb   b. Ba c. S