our understanding of atoms has developed over time;
No resources have been tagged as aligned with this standard.
create and interpret a simplified modern model of the structure of an atom.
atoms consist of particles, including electrons, protons, and neutrons;
Chemical bonds are the forces that hold atoms together to form new substances. These bonds are formed with electrons (6.5 d).
An element is a form of matter made up of one type of atom. The atoms of an element are basically alike, though the number of neutrons may vary.