Chemistry, 14.05.2021 18:00 masaiyahrhemanow

After an endothermic reaction, the number of protons in an ion, Na+ is A. 12
B. 19
C. 10
D. 18
E. 11

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After an endothermic reaction, the number of protons in an ion, Na+ is A. 12
B. 19
C. 1...