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SLS Science 9 ETG
SLS Science 9 Chapter 3
Term | Definition |
---|---|
chemical formula | a representation of a substance using symbols for its constituent elements |
Chemical Name | A chemical nomenclature is a set of rules to generate systematic names for chemical compounds. |
Covalent Compound | A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms |
Endothermic | (of a reaction or process) accompanied by or requiring the absorption of heat. |
Exothermic | (of a reaction or process) accompanied by the release of heat. |
Ionic Compound | An ionic compound is a chemical compound in which ions are held together in a lattice structure by ionic bonds |
Ionic Lattice | A large uniformed group of Ions that are fixed together through Electrostatic Attraction |
Molecule | a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. |
multivalent Metal | A multivalent metal has a valence of at least three or higher. Some of the multivalent metals include lead, iron, copper, tin, and mercury |
polyatomic ion | A polyatomic ion, also known as a molecular ion, is a charged chemical species composed of two or more atoms covalently bonded |
Roman Numeral | any of the letters representing numbers in the Roman numerical system. Used in chemistry to display the multivalent metals. |