The New American by
You may remember from high school chemistry class that atoms are made of protons, neutrons, and electrons. The graphic below depicts positively-charged protons and neutral neutrons (red), with negatively-charged electrons orbiting the nucleus.
The number of protons defines the element and determines how elements are listed on the periodic table. Hydrogen is first because it has one proton. Helium takes second place with two protons. The image above depicts carbon since its atomic number is six. As for the rest, hereâs a fun refresher from AsapScience.
