Which of these elements has the greatest(highest) electronegativity?
A. As
B.N
C.O
D. Se
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Ответ:
Acids dissociate in water to release a proton. The proton then combines with water to form a hydronium ion.
HCl, hydrochloric acid dissociates in water to release proton H⁺ and chloride ion Cl⁻
HCl → H⁺ + Cl⁻
H⁺ + H₂O → H₃O⁺