Determine the number of protons, neutrons and electrons in the following:
A) p+= 18 n° = 22 e- = 40
B) p+= 40 n° = 22 e- = 18
C) p+= 18 n° = 22 e- = 18
D) p+= 18 n° = 18 e- = 2
E) p+= 22 n° = 18 e- = 18
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