is simple words, Cation is a metallic element with a positive charged ion.
a positively charged ion that would be attracted to the cathode in electrolysis.
Cations as used in common spirulina culture medium formulas:
Sodium 4380 mg/l
Potassium 642 mg/l
Calcium 10 mg/l
Iron 0.8 mg/l
|Definition||An anion is an atom or a molecule which is negatively charged, i.e. has more number of electrons than protons.||A cation is an atom or a molecule which is positively charged, i.e. has more number of protons than electrons.|
|Examples||(O2-), sulfide (S2-), fluoride (F-), chloride (Cl-), bromide (Br-), iodide (I-), nitride (N3-) and hydride (H-)||sodium (Na+), Iron (Fe2+), and Lead (Pb2+)|
|Etymology||The Greek word ano (up)||The Greek word kata (down)|
|Electrode attracted to during electrolysis||Anode||Cathode|
|Type of element||a nonmetal||a metal|