Task: Class Definition Understanding (ontology: Earth_Environment/SWEET)

Which of the following definitions best describes 'cation'?

A. An the concept is an ion that has more electrons than protons such that the atom or molecule is negatively charged. [Wikipedia]
B. An the concept is an ion that has more protons than electrons such that the atom or molecule is positively charged. [Wikipedia]
C. A pattern of smokestack plume dispersion in a statically stable atmosphere, in which the plume spreads out in the horizontal like an oriental fan and meanders about at a fixed height with little vertical spread.
D. An imaginary surface representing the static head of groundwater and defined by the level to which water will rise in a tightly cased well.

Answer: An the concept is an ion that has more protons than electrons such that the atom or molecule is positively charged. [Wikipedia]