Question

valencey of copper (cu) is
(a) 0
(b)1
(c)2
(d)both b and c​

Answer 1

Answer:

Valency of First 30 Elements

Element Atomic Number Valency

Valency of Cobalt 27 3, 2

Valency of Nickel 28 2

Valency of Copper (Cu) 29 2, 1

Valency of Zinc 30 2

26 more rows

Answer 2

Answer:

Valency of Copper (Cu) 2,1

Option D ( Both b and c )

Explanation:

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