Question

17. Which rule for filling of orbitals by electrons in the element Silicon is being violated in the orbital diagram shown below? Justify your answer with TWO complete content related sentences. (ref: p.156- 160) 1 1 111 1111 1s 2s 2p 3s SP 18. Explain the TWO major problems with this electron dot diagram for the element Nitrogen (N). Please use at least TWO complete content related sentences. (ref: p.161-162) :N: 19. Calculate the wavelength of a body of mass 96.0 mg and moving with a velocity of 30.0 m/s. The value of Planck's constant is 6.626 X 10- . Please show all steps and work leading to your final answer. (ref:p.150)

Answer 1

17) Aufbau rule is getting violated in this orbital diagram because according to his rule low energy atomic orbital should be fully filled first.

3s orbital should not be left unpaired before filling 3p orbital.

18) In the electron dot diagram, dots are equal to the number of electron in the valence shell (outer most shell)

Nitrogen is having 5 valence electron but in this they are showing 7

19)

# 1 =h m Debroglic Deb wavelength i Debroge warelength 6.68 10-² 96 mg x 30 6.6820-34 960106x30 -28 = 2.9 X 10 X10 2 23 X 10 -31 m.