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CH 8 Intro
| Question | Answer |
|---|---|
| bond made by sharing of valence electrons | covalent bond |
| bond made by transfer of valence electrons | ionic bond |
| sharing 2 electrons (1 dash) | single covalent bond |
| sharing 4 electrons (2 dashes) | double covalent bond |
| sharing 6 electrons (3 dashes) | triple covalent bond |
| prefix meaning 1 | mono |
| prefix meaning 2 | di |
| prefix meaning 3 | tri |
| prefix meaning 4 | tetra |
| prefix meaning 5 | penta |
| prefix meaning 6 | hexa |
| prefix meaning 7 | hepta |
| prefix meaning 8 | octa |
| prefix meaning 9 | nona |
| prefix meaning 10 | deca |
| when 1 atom provides both shared electrons | coordinate covalent bond |
| energy needed to break a covalent bond | bond disassociation energy |
| type of ions needed to form an ionic bond | cation & anion |
| type of ions needed to form a covalent bond | 2 anions OR 1 anion + 1 metalloid |
| naming of covalent compounds | prefixes ARE used |
| naming of ionic compounds | NO prefixes used |
| ion with a positive charge ; metallic elements | cation |
| ion with a negative charge ; non-metallic elements | anion |
| element that has properties of metals and non-metals | metalloid |
| has the same name as element | cation naming |
| ends in "ide" | anion naming |
| d block elements (cations) | need a Roman numeral for naming |