H2O is the Bronsted-Lowry base because it accepts the hydrogen ion to become H3O after the reaction is complete.
Name Arsenic
Atomic Mass 74.9216 atomic mass units
Number of Protons 33
Number of Neutrons 42
Number of Electrons 33
Exothermic releases energy(heat) from the system to the surrounding
endothermic takes energy (heat) from the surrounding to the system