Im building a carbon atom. i’ve been told that the atomic number of carbon is 6, which means that the carbon atom has how many protons. the carbon atom i’m building has a total of 12 particles in it nucleus, which means that i need to use how many neutrons. the carbon atom i’m building has 6 electrons. these electrons are found in levels. the first level of the carbon atom has how many electrons, and the second level has how many electrons.

The carbon atom has atomic number 6. Atom number is equal to the number of protons in an atom. In a neutral atom the number of protons is equal to the number of electrons. So the carbon atom has a total of 6 electrons. The first shell of the C atom has 2 electrons and the second shell has 4 electrons. Since the second shell or outermost shell or the valence shell has 4 electrons the valency of carbon is 4.  

Since the C atom has 12 particles in it nucleus, it has a mass number of 12. Mass number is the sum of the number of protons and neutrons. As we know C has 6 protons, there must be 6 neutrons in it.  

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