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Elem. Chem/Phys 3
Apologia Chemistry Physics Module 3 Vocabulary Cards
| Term | Definition |
|---|---|
| Atom | Smallest particle of an element |
| Naturally occurring elements | The 94 different elements that God created. |
| Synthetic elements | Man-made elements |
| Compound | Two different elements combined |
| Alchemists | Individual who mix lots of stuff together to make new things. |
| Charge | The strange occurrence when some atoms want to join together and other atoms want to move away from each other. |
| Protons | Positively charged particles |
| Electrons | Negatively charged particles |
| Atomic Number | The number of protons an atom has |
| Nucleus | The center of an atom that contains protons and neutrons |
| Necleons | Protons and neutrons together |
| Mass number | The number of nucleons an atom has |
| Energy Level | Each electron is assigned to a particular energy level called either orbitals or electron shells |
| Valence Electrons | The electrons in the outer shell |
| Isotopes | Atoms with a different number |
| Anion | If the atom has gained electrons |
| Cation | If an atom loses electrons |