| $\text{तत्व}$ | $\text{मेंडेलीफ}$ $\text{का}$ $\text{नाम}$ |
| $\text{गैलियम}$ | $\text{एका}-\text{एल्युमिनियम}$ |
| $\text{जर्मेनियम}$ | $\text{एका}-\text{सिलिकॉन}$ |
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