Question

decomposition of Copper and sulphur is copper valency is 2​

Answer 1

Answer:

Copper is one of the transition elements and thus exhibits variable oxidation states. It has two valencies: +1 and +2 and the corresponding atoms are termed as Cuperous (+1valency) and Cupric (+2 valency). These are also denoted as Cu(I) andCu(II). Electronic configuration of Sulfur is 2,8,6 as its atomic number is 16.

Explanation:

Follow me and mark my answer as brainliest answer if my answer is correct

Answer 2

Answer: it has variable valency as it's a transition element

Explanation: