7. It gives the direction of the electron cloud: a. n ms mi
8. It is the region in space in which finding an electron is high. Orbital Shell Subshell d. Spin
9. If l is equals to 0, it describes what shape of the subshell? spherical dumbbell b. clover-leaf complex
10. If n is 2, how many orbitals are present? a. 7 b. 5 d. 3
11. What is the correct electronic configuration of Si (Z=14)? 1s2 2s2 2p6 3s2 3p3
12. Which law states that electrons must occupy all orbitals singly first before pairing? Aufbau's principle Pauli's exclusion principle Heisenberg's uncertainty principle Hund's rule of multiplicity
13. The following statements are true, regarding an element with an electronic configuration of 1s2 2s2 2p6 3s2 3p8 4s2 3d10 4p6 5s2, EXCEPT: The valence shell of this element is 5 There are 5 valence electrons The atomic number of this element is 53.
14. What is the correct electronic configuration of Ag (Z=47)? 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d9
15. What is the correct electronic configuration of Ag (Z=47)? 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d10