Vocab quiz 2 Flashcards
the same element with a different number of neutrons in the nucleus of the atoms
Isoptope
a charged atom
Ion
A positively charged atom usually a metal
Cation
A negatively charged atom usually a nonmetal
anion
a chemical bond where electrons are transferred to another atom: conductive when dissolving with a high melting point: usually metal or nonmetal
Ionic bond
a charged particle that contains more than one atom and acts like an ion
Polyatomic ion
a chemical bond where electrons are shared between 2 atoms usually consists of 2 or more nonmetals: not conductive and have low melting points.
Covalent bond
a covalent bond where electrons are not shared equally (made up of 2 different types of atoms)
Polar compound
when a polar sticks to itself, sometimes called surface tension
cohesion
when a polar compound sticks to another polar compound
adhesion
the ability of a liquid to travel in narrow spaces without assistance and flow against gravity and other forces
Capillary
the forces that hold molecules together and must be overcome to change states
internal forces
the measure of strength of a bond in a chemical bond
Enthalpy
Energy is given off chemical bond formula
Exothermal
energy is required break chemical bonds
Endotheroic
