1а. Какая электронная конфигурация принадлежит атом углерода
А)  1 s2 2s2. 2р 2
В) 1 s2 2s2. 2р 4
С) 1 s2 2s2
D) 1 s2 2s2. 2р 6
даю 25 юаллов​
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