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Definition of Cu2: Cu2 refers to the ion of copper with a valence state of +2. Cu2 is often found in copper compounds.
1.1 Names
1.1.1 Common name: Copper (II) ion
1.1.2 English name: Copper (II) ion
1.2. Atomic weight: 63.546
1.3. Atomic mass: 63.546
1.3.1 Molecular structure: Cu2+
1.4 Ion structure: Cu2+ ion has 27 electrons surrounding the nucleus. -
Properties: Cu2
2.1 Physical properties of Cu2: Colorless, odorless, and cannot exist in physical form.
2.2 Chemical properties of Cu2: Has strong oxidizing properties, easily reduced to metallic copper. -
Common chemical reactions of Cu2:
Metal Reaction (Example: Cu2+ + Fe -> Cu + Fe2 + ) ->
Acid reaction (Example: Cu2+ + 2OH- -> Cu(OH)2)
Non-Metal reaction (Example: Cu2+ + S2- -> CuS)
Reaction with salts (Example: Cu2+ + 2NaOH -> Na2Cu(OH)2) -
Synthesis of Cu2:
4.1 Laboratory synthesis of Cu2: Cu -> Cu2+ + 2e-
4.2 Industrial synthesis of Cu2: It is usually synthesized from copper ore through refining and chemical treatment processes to separate copper from other elements.