Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom. Iron is an ...

What is Atom and Molecule? Atoms and molecules are an important part of science and the building blocks of matter. Understanding them is the foundation for understanding all branches of science.

Molecular Solids: Composed of individual molecules held together by relatively weak intermolecular forces (van der Waals ...

Atoms are made up of a nucleus, protons and electrons. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Atoms are the basic units of matter.

Identify Functional Groups: Functional groups are specific atoms or groups of atoms within a molecule that are responsible ...

Figure 2: Surface electronic and spin structure of the parent Bi 2 Te 3 compound. Figure 3: Bulk electronic structure of Pb-based ternary compounds in the vicinity of Γ and Z. Figure 4: Surface ...