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The answer key for a worksheet on electron configuration for elements from hydrogen to calcium. It includes Aufbau diagrams and written electron configurations.
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a) hydrogen (H) b) helium (He) c) lithium (Li) (^) d) beryllium (Be)
g) nitrogen (N)
e) boron (B) (^) f) carbon (C) h) oxygen (O)
m) sulfur (S) (^) n) sulfide (S 2 − ) o) argon (Ar) (^) p) calcium ion (Ca 2 + )
q) titanium (Ti) r) iron (Fe) s) copper (Cu) (^) t) bromide (Br − )