But what makes oxygen different from carbon? It is the number of protons in the nucleus of an atom that is the defining feature of the atom. It's what makes one element different from another.

When building an atom, pay close attention to the particles' electrical charges. Protons have a charge of +1. Electrons have a charge of -1. Neutrons are neutral, as its name implies. A stable ...

The carbon atom and hydrogen atoms are close together. The electrons from each atom feels the attraction from the proton in the nucleus of the other atom. This attraction pulls the atoms together and ...