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प्रश्न
There are three elements E, F, G with atomic numbers 19, 8 and 17 respectively.
Classify the above elements as metals and non-metals.
टीपा लिहा
उत्तर
E (19) - 2, 8, 8, 1, F (8) - 2, 6, G (17) - 2, 8, 7
E = Metal, F and G = Non-Metal
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