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Vocab Chem Ch. 9
Term | Definition |
---|---|
electroneutrality | having equal amounts of positive and negative charges is called ________ |
polyatomic | an electrically charged group of two or more bonded atoms that functions as a single ion is a __________ ion |
cations | collections of ______ are never found without a similar number of anions (or sometimes electrons) nearby to effectively neutralize the charges |
cations | the names for _______ come from the element from which they are formed |
Roman numerals | when an element forms two or more positive ions, the ions are distinguished by using _______ to indicate the charge |
-ide | the name of a simple anion is formed by changing the ending of the element name to ______ |
subscript | a __________ is a whole number written below and to the right of an element's symbol, and it is used to denote the number of atoms in a formula |
ionic | any chemical compound that is composed of oppositely charged ions is called a(n) ________ compound |