Electron Configuration
Write the full electron configuration for the following elements:
Si, Sb, K, Mn
Si : <1s^2, 2s^2, 2p^6, 3s^2, 3p^2>
Sn: <1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^2, 4d^10, 4p^6, 5s^2, 5d^10, 5p^3>
K: <1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^1>
Mn: <1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^2, 4d^5>
Classify the element as metalloid, metal, or nonmetal
Ge, Zn, Cl, Mg, B, Kr
Metalloid: Ge, B
Metal: Zn, Mg
Nonmetal: Kr, Cl
Write the condensed electron configuration for the following elements
Ba, F, Sr, Co
Ba: [Xe]6s^2
F: [He]2s^2, 2p^5
Sr: [Kr]5s^2
Co: [Ar]4s^2,4d^7
Arrange in increasing order of atomic radius: N, Mg, O, F, Al
Mg, Al, F, O, N
In row 5 of the Periodic Table, find the electron with:
a) five valence electrons
b) full outer shell
c)7 4d electrons
a. Nb, Sb
b. Xe
c. Rh
Which is the largest species in each pair?
a. Se or Se^2-
b. Ca or Ca^2+
c. N^3- or N
a. Se^2-
b. Ca
c. N^3-
Use the Periodic Table to determine:
a. the # of 2p electrons for O
b. the # of 4d electrons for Cu
c. the # of 3s electrons for Al
a. 4
b. 9
c. 2
Arrange in decreasing order of IE: Li or Si, B or Mg, As or F
a. Li
b. Mg
c. As