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Atomic structure
A set of keywords from chapter 29+30
| Term | Definition |
|---|---|
| Atom | The smallest particle of an element Which still retains the properties of the element. |
| Proton | An sub-atomic particle with a positive charge. |
| Neutron | An sub-atomic particle of the atom with no charge. |
| Atomic mass unit | |
| Sub-atomic particles | Particles inside the atom |
| Noble gas | Elements in group 8 |
| Alkali metals | Elements in group 1 |
| Alkali Earth metals | Elements in group 2 |
| Halogens | Elements in group 7 |
| Niels Bohr | Proposed electrons orbit the nucleus |
| Dimitri Mendeleev | Created the periodic table |
| Group | A group of elements with the same Chemical properties. |