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| химический элемент (Вещество, составленное из атомов с одинаковым порядковым номером: напр., водород, золото и железо) | |||
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| химические элементы | |||
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| химический элемент | |||
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Chemisches Element : 3 phrases in 2 subjects |
| Astronomy | 2 |
| Chemistry | 1 |
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