Downloads: 3
- Structure of an atom
- The nucleus, bearer of the identity of the atom
- The electron cloud, initiator of interatomic interactions
- Mass of an atom
- Dimensions of an atom
- Chemical element
- The noble gases
- Criteria for the stability of an element
- Forming monoatomic ions
- Forming molecules
- How do I know?
- Covalent bond
- Already there - to be - absent