Question

the element x from the compound x2 an element that y might be and give reason for ur answer​

Answer 1

Answer:

x is hydrogen element and y is oxygen element

Explanation: because when hydrogen element and oxygen element combine they form H2O and that means water

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Answer 2

Answer:

Y can be oxygen because oxygen has a valency of 2. As X is monovalent, Y has to be divalent in order to form the compound X2Y.