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TLHS Phy Sci #4
Chemical Bonds
| Term | Definition |
|---|---|
| chemical bond | force that holds atoms together in a compound |
| chemical formula | shows the exact number of element that form a specific compound |
| covalent bond | type of bond made when atoms share electrons |
| ion | a charged atom that has lost or gained electrons |
| ionic bond | bond made between oppositely charged ions, the resulting compound is neutral |
| molecule | formed when atoms share electrons |
| nonpolar bond | bond between atoms that are equally sharing electrons |
| nonpolar molecule | molecule (that shares electrons) with no charge |
| polar bond | bond between atoms that are NOT equally sharing electrons |
| polar molecule | molecule (that shares electrons) with a charge |
| diatomic molecule | molecule made of two atoms of the same element |
| binary compound | compound formed by only two elements |
| oxidation number | indicates number of electrons gained or lost or shared by an element |
| polyatomic ions | ions formed by the covalent bonding of elements |
| compound | made of two or more elements bonded together to form a substance with properties different from those elements |
| electron dot diagram | chemical symbol of an element surrounded by dots that represent the number of valence electrons available for bonding |
| cation | positive ion (usually metals) that has lost electrons |
| anion | negative ion (usually nonmetals) that has gained electrons |