Полярная и неполярная ковалентная связь
#ковалентнаясвязь
8 years ago 00:03:23 73.5K
![Jubilee – Полярная Ночь [Рифмы и Панчи]](https://sun9-44.userapi.com/zCuHRnxxzyfJnH_lDoQKoYjS8RsiUSr8nh4g7A/s3fszkYghxM.jpg)
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