Gyök
(H4N) | ammoniumgyök | pozitiv, | 1 vegyértékü |
(NH2) | amidogyök | " | 1 | " |
(NO2) | nitrogyök | negativ, | 1 | " |
(CO) | karbonilgyök | " | 2 | " |
(CN) | ciangyök | " | 1 | " |
(OH) | hidroxilgyök | " | 1 | " |
(CH3) | metilgyök | pozitiv, | 1 | " | stb. |
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