"We are working on a grassroots level to identify the issues that are going on in the community, and developing and cultivating leaders to take charge of their own communities and really changing the conditions that they find themselves in.

VOA: standard.2010.02.24

So, if we want to figure out the formal charge on the carbon, we need to take the number of valence electrons, so that's 4. We need to subtract the lone pair, what number is that? It's 2.

如果我们想算出碳原子的形式电荷，我们需要将价电子的个数，也就是四，减去孤对电子的个数，它是多少？是二。

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