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Electron Configuration Answer Key

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Easy Config.
#1 Give the electron configuration of hydrogen. 1s1
#2 Give the electron configuration of lithium. 1s2 2s1
#3 Give the electron configuration of helium. 1s2
#4 Give the electron configuration of neon. 1s2 2s2 2p6
#5 Give the electron configuration of carbon. 1s2 2s2 2p2
Working Backward
#1 What element is symbolized by 1s2 2s2 2p6 3s1 Na
#2 What element is symbolized by 1s2 2s2 2p6 3s2 3p3 P
#3 What element is symbolized by 1s2 2s2 2p6 3s2 3p6 4s1 K
#4 What element is symbolized by 1s2 2s2 2p6 3s2 3p6 4s2 3d8 Ni
#5 What element is symbolized by 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5 Br
D-Block Electron Configurations
#1 Give the electron configuration of scandium. 1s2 2s2 2p6 3s2 3p6 4s2 3d1
#2 Give the electron configuration of copper. 1s2 2s2 2p6 3s2 3p6 4s2 3d9
#3 Give the electron configuration of iron, Fe. 1s2 2s2 2p6 3s2 3p6 4s2 3d6
#4 Give the electron configuration of zinc. 1s2 2s2 2p6 3s2 3p6 4s2 3d10
#5 Give the electron configuration of silver, Ag. 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4s2 3d10 4p6 5s2 4d9
Shorthand Electron Configurations
#1 Give the shorthand electron configuration of boron. [He] 2s2 2p1
#2 Give the shorthand electron configuration of potassium, K. [Ar] 4s1
#3 Give the shorthand electron configuration of sodium, Na. [Ne] 3s1
#4 Give the shorthand electron configuration of chlorine. [Ne] 3s2 3p5
#5 Give the shorthand electron configuration of silver, Ag. [Kr] 5s2 4d9
Potpourri
#1 Name 3 pieces of safety equipment in the classroom. Various
#2 Name the 3 subatomic particles AND their charges. proton: positive, electron: negative, neutron: neutral
#3 What is the definition of density? (DO NOT give the equation) how spaced out the particles are
#4 How many neutrons are in an atom of chlorine with a mass number of 36? 19 neutrons
#5 Convert 500 mL to L. 0.500 L
Final Question
Write the unabbreviated electron configuration for iodine, I. 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p5