Modern Chemistry Chapter 7 Flashcards
Chemical Names & Formulas, Oxidation Numbers, Using Chemical Formulas, & Determining Chemical Formulas Terms
Terms : Hide Images [1]
| 418186672 | monatomic ion | an ion formed from a single atom. (remember to change nonmetals to -ide ending) | |
| 418186673 | binary compounds | compounds composed of two different elements; (compounds of 2 elements between metal (positive, s-block and p-block) and nonmetal (negative); metal is always listed first; change nonmetal to -ide ending) | |
| 418186674 | nomenclature | naming system | |
| 418186675 | oxyanions | polyatomic ions that contain oxygen | |
| 418186676 | salt | An ionic compound composed of a cation and the anion from an acid | |
| 418186677 | Oxidation numbers | the number assigned to an element that shows how many electrons it gains, loses, or shares | |
| 418186678 | oxidation states | the condition of an atom expressed by the number of electrons that the atom needs to reach its elemental form | |
| 418186679 | formula mass | the sum of the average atomic masses of all atoms represented in the formula of any molecule, formula unit, or ion | |
| 418186680 | percentage composition | the percentage by mass of each element in a compound | |
| 418186681 | empirical formula | A formula showing the lowest whole number ratio of atoms in a compound; (symbols for elements combined in a compound; subscripts show smallest whole-number mole ratio of different atoms in a compound) | |
| 418186682 | Stock system | specifically used for d-block elements, use Roman numeral to describe charge of metal, use periodic charge to find charge of nonmetal | |
| 418186683 | Greek prefixes | used to name molecules with covalent bonds | |
| 418186684 | binary molecular compounds | nonmetal to nonmetal; covalent bonds; uses Greek prefixes | |
| 418186685 | Cations | Positive ions | |
| 418186686 | Anions | Negative ions | |
| 418186687 | mono | Greek prefix for 1 with covalent bonding | |
| 418186688 | di | Greek prefix for 2 with covalent bonding | |
| 418186689 | tri | Greek prefix for 3 with covalent bonding | |
| 418186690 | tetra | Greek prefix for 4 with covalent bonding | |
| 418186691 | penta | Greek prefix for 5 with covalent bonding | |
| 418186692 | hexa | Greek prefix for 6 with covalent bonding | |
| 418186693 | hepta | Greek prefix for 7 with covalent bonding | |
| 418186694 | octa | Greek prefix for 8 with covalent bonding | |
| 418186695 | nona | Greek prefix for 9 with covalent bonding | |
| 418186696 | deca | Greek prefix for 10 with covalent bonding | |
| 418186697 | Acid | distinct type of molecular compound; would show up on pH scale as a value below 7 | |
| 418186698 | Binary Acids | Are acids that consist of two elements, usually hydrogen, and one of the halogens. | |
| 418186699 | Oxyacids | Are acids that contain hydrogen, oxygen, and a third element usually a nonmetal. | |
| 418186700 | -ate (I ate too much; more) | In oxyanions: The ion with more oxygen is given this ending: - | |
| 418186701 | -ite (tiny like a mite) | In oxyanions: The ion with less oxygen is given the ending: - | |
| 418186702 | hypo- | In oxyanions: The ion with one less less oxygen is given the beginning: ____- | |
| 418186703 | per- | In oxyanions: The ion with one more more oxygen is given the beginning: |