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प्रश्न
The correct order of decreasing electronegativity values among the elements X, Y, Z and A with atomic numbers 4, 8, 7 and 12 respectively
विकल्प
Y > Z > X > A
Z > A > Y > X
X > Y > Z > A
X > Y > A > Z
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उत्तर
Y > Z > X > A
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