Proctored Chemistry
1. The element that corresponds to the electron configuration1s22s2 2p6 3s2 3p 6 4s1 3d5 is?
2. Give the complete electronic configuration for Mn.?
3. What is the the ground state electron configuration for Zn 2+
4. How many valence electrons do the halogens possess?
5. Place the following in order of increasing atomic radius: As O Br
A. As < Br < O
B. O < As < Br
C. Br < As < O
D. As < O < Br
E. O < Br < As
6. Place the following in order of increasing IE. K Ca Rb
A. Ca < K < Rb
B. Rb < Ca < K
C. Ca < Rb < K
D. Rb < K < Ca
E. K < Ca < Rb
7. Which element is NOT paramagnetic?
A. Li
B. F
C. Rb
D. V
E. Zn
8. Give the number of electrons in Na +1 .
9. Predict the charge of the most stable ion of magnesium.
10. Electrons add to orbitals from lowest to highest energy is known as the