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प्रश्न
Write the electron-dot structures for sodium, oxygen and magnesium.
उत्तर
| Sodium | (2, 8, 1) | \[\ce{\overset{\bullet}{Na}}\] |
| Oxygen | (2, 6) |
\[\begin{array}{cc} |
| Magnesium | (2, 8, 2) |
\[\begin{array}{cc} |
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