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15 Words
Term | Definition |
---|---|
Model | A structure/picture showing how something works. |
Atom | Smallest unit of matter. |
Nucleus | Central area of an atom. |
Proton | Positive charged subatomic particle. |
Neutron | Neither positive nor negative charged subatomic particle. |
Electron | Negative charged subatomic particle. |
Atomic Number | The number on the periodic table that shows the number of protons. |
Atomic Symbol/Nuclear Symbol/ Chemical Symbol | The abbreviation of an element. |
Subatomic Particle | The smallest fragment of matter. |
Molecule | A linked group of atoms. |
Lewis Structure | Structure that shows the binding of atoms. |
Bohr Model | A planetary like model of the atom. |
Electron Shell | Orbit of electrons around the atom's nucleus. |
Valence Electron | Electrons in the outer orbit, it says how the element reacts. |
Matter | The microscopic build-up of everything. |