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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 |