What is the number of protons in a carbon atom?

A carbon atom has 6 protons. The number of protons in an element is defined as its atomic number, which is unique to each element and determines its identity. For carbon, the atomic number is 6, indicating that there are 6 protons in its nucleus. This number is crucial, as it also determines the chemical behavior of the atom and how it interacts with other elements.

The understanding of protons is fundamental in chemistry, as they balance the negative charge of electrons, leading to electrically neutral atoms, and they play a significant role in the structure of the periodic table. Thus, knowing that carbon has 6 protons helps clarify its properties and its position in chemical reactions.