Number of protons in an atom's nucleus?:

The number of protons in the nucleus of an atom is its atomic number, which is unique to each element.

Explanation:

It's the same as the atomic number e.g. Oxygen has the atomic number 8 so it has 8 protons in the nucleus.  

atomic number of carbon is 6

electronic configuration of carbon is 1s²2s²2p²

orbital diagram of carbon is as shown here in the image.

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl