click below
click below
Normal Size Small Size show me how
ScienceTermsChapter3
Science Terms Chapter 3
| Term | Definition |
|---|---|
| Chemical Formula | Symbols that show the elements in a compound and their ratios |
| Chemical Name | Name of a compound that indicates the elements in it |
| Covalent Compound | Compounds such as water, in which two atoms share a pair of electrons |
| Endothermic | Characterized by an overall absorption of energy; used to describe a chemical reaction. The prefix "Endo" means entering |
| Exothermic | Characterized by the release of heat, light, and sound through electrical or other means; used to describe a chemical reaction. The prefix "Exo" means leaving |
| Ionic Compound | Compounds, such as table salt, in which oppositely charged ions come together because of mutual attraction |
| Ionic Lattice | Repeating pattern of positive and negative ions forming an ionic compound |
| Molecule | A group of atoms in which the atoms are bound together by the sharing of one or more pairs of electrons |
| Multivalent Metal | Metals that can form an ion in more than one way, resulting in ions with different charges. The prefix "multi-" means many |
| Polyatomic Ion | A molecular ion composed of more than one type of atoms joined by covalent bonds. The prefix "poly-" means many |
| Roman Numeral | Numerals based on those used by the ancient Romans |