He | Гелій | 1 | Vlll | +2 | 2 |
Ca | Кальцій | 4 | ll | +20 | 20 |
Zn | Цинк | 4 | ll | +30 | 30 |
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He | Гелій | 1 | Vlll | +2 | 2 |
Ca | Кальцій | 4 | ll | +20 | 20 |
Zn | Цинк | 4 | ll | +30 | 30 |