Question

5. Zinc is considered an element, while zinc sulphide is considered a compound.
give reason​

Answer 1

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ZINC IS THE PURE ELEMENT BECAUSE IT HAS NOT REACTED WITH ANY OF OTHER METAL OR NONMETAL. ZINC SULPHIDE IS A COMPOUND BECAUSE IT HAS REACTED WITH SULPHUR TO MAKE COMPOUND.

Answer 2

Answer:

zinc sulphide is a mixture of two elements in a definite proportions. whereas zinc is an individual element.And when two elements combine in definite proportions it is called compound