5. Which of the following statement regarding electron configuration and orbital shape s CORRECT? A. Aufbau principle stated that the electron in an atom have unique sets of four quantum number. B. Azimuthal quantum number reflects the shape of the region in space an electron occupies. C. Pauli exclusion is the build-up of electron configuration in atom according to the energy diagram D. Schrodinger wave equation describes the wave behaviour of the electron.

11. What is the most likely electron configuration for a sodium ion in its ground state? a. 1S² 2S² 2P5 b. 1S² 2S² 2P6 c. 1S22S2 2P 3S1 d. 1S2 2S2 2P5 3S² e. 1S22S2 2P6 3S² 12. Which of the following atoms is in an excited state? a. 1s² 2s² 2p¹ b. 1s² 2s² 2p4 c. 1s2 2s² 2p5 3s¹ d. 1s² 2s² 2p 3s² e. 1s2 2s² 2p 3s² 3p²

1. How many unpaired electrons are in the neon atom? A. Paramagnetic B. Diamagnetic This atom is 2. How many unpaired electrons are in the vanadium atom? A. Paramagnetic B. Diamagnetic This atom is

e. n = Question8 Draw atomic orbital diagrams representing the ground-state electron configuration for each of the following elements. a. Na b. Со Question9 Gourotion for the

Which of the following statements about an electron is TRUE according to the quantum mechanical model of the atom? A. The shape of an orbital is determined mathematically from the wavefunction of an electron B. The position and velocity of an electron can simultaneously be determined very accurately C. A single electron can interfere with itself O All of A, B, and C O Conly Both A and C O A only B only

Which rule states that the electrons go in singularly until you half fill the orbital set then begin pairing of electrons? A. Hunds Rule B. Paul Exclusion principle C. Bohrs Rule D. Aufbau Principle

13. The electronic configuration of a particular neutral atom is 1s²2s²2p63s²3p². What is the number of unpaired electrons in this atom? A. 1 B. 2 C. 3 D. 4 E. 0

Complete the sentence: Based upon the Bohr model of the atom, electrons a. Can exsist at any distance from the nucleus  b. travel in pathways called orbitals c. possess quantized energy d. travel as waves  e.  answers b and c are correct

Which statements are true about the p orbital shown? O O a. I and III b. II and III c. I and IV d. II and IV e. I, II, III, and IV are all correct a It can hold up to two electrons. It can hold up to six electrons. An electron in this orbital moves around the edge in a figure eight pattern. e II. III. IV. An electron of a certain energy is highly likely to be found within the orbital, but we cannot say exactly where.