You run a chromatogram of inks belonging to three crime suspects and from a ransom note. The inks resolve into the following numbers of spots: suspect A = 2, suspect B = 4, suspect C = 3, note = 2. Which suspect would you most likely bring in for questioning?

1) according to the law of conservation of mass ,in all chemical reactions total mass is unchanged

H+ + cn– + li+ + oh– mc001-4.jpg li+ + cn– + h2o

Well you can immediately rule out a and d because if a metal were to lose or gain protons, then it would become a different element all together. the answer here is b because the positive symbol with a number refers to how many electrons the metal can give away to become stable.

Is there a c and d?