Question

if x if x is an element with valency 2 what will be the formula of x with oxygen hydrogen and chlorine​

Answer 1

Answer:

X is metal

ex - Be,Mg ,Ca etc

X^+2 O^-2

- XO

2) X ^+2 H^-1

XH2

3)

X^+2 Cl^-1

XCl2

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