48. What kind of reaction is this: Mg(s) + 2HI(aq) forms Mg12(s) + H2(g) A) single replacement B) neutralization C) decomposition D) double replacement E) combustion 49. What is the electron configuration for cobalt? A) 1s22s22p63s23p64s23d7 B) 1s22s22p63s23p64s23d6 C) 1s22s22p63s23p63d7 D) 1s22s22p63s23p64s23d4 E) 1s22s22p63s23p64s13d6

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Q: 0.8 I d 0.6 0.4 0.2 T 40 60 80 100 120 140 160 180 200 220

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