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Chapter 2 terms
These are all the vocab learned in chapter 2
| Term | Definition |
|---|---|
| Electron | Negatively charged particle |
| Proton | Positively charged particle |
| Neutron | Uncharged particle |
| Isotope | A form of a certain element with different number of neutrons in its nucleus |
| Molecule | two or more atoms bonded together that are neutral |
| Molecular Compounds | composed of molecules that contain more than one type of atom |
| Molecular Formulas | Chemical formulas that indicate the actual number of atoms in a molecule |
| Empirical Formulas | Chemical formulas that give only the relative number of atoms of each type in a molecule |
| Structural formula | shows which atoms are attached to which in a 2D drawing |
| Ion | Charged atoms |
| Cation | a positively charged ion |
| Anion | a negatively charged ion |
| Poly-atomic Ions | are atoms joined as a molecule but carry a negative or positive charge |
| Ionic compounds | generally combinations of metals and nonmetals |
| Molecular compounds | generally composed of only nonmetals |
| Chemical nomenclature | the system used in naming substances |
| Organic | Contains carbon |
| Monatomic cations | only have one possible charge |
| Polyatomic cations | Have more than one possible charge |
| Ionic naming | consist of cation name followed by anion name |
| Organic Chemistry | the study of compounds of carbon |
| Hydrocarbons | contain only carbon and hydrogen |
| Alkanes(hydrocarbons simple) | have each carbon bonded to four other atoms |
| Organic compounds | contain carbon and hydrogen in combination with oxygen, nitrogen, or other elements |
| Inorganic compounds | are all other combinations different from organic compounds |