Electrolyte for the electrolysis is copper(II) sulfate
CuSO₄ = Cu²⁺ + SO₄²⁻
the reaction at the negative electrode
(cathode -) Cu²⁺ + 2e⁻ = Cu⁰
and...
(anode +) 2H₂O - 4e⁻ = O₂ + 4H⁺
Metals react with ______ to form compounds that are alkaline.
A. metalloids
B. oxygen (O)
C. non-metals
D. hydrogen (H)
The answer is D, Hydrogen (H).
Composed of molecules formed by atoms of two or more different elements.
Answer:
B. To change from a liquid state to a solid state is called Freezing
