In 1950, Chairman Mao Zedong made a speech in support of traditional Chinese medicine (TCM) which was influenced by political necessity. Zedong believed he and the Chinese Communist Party should promote TCM but he did not personally believe in TCM and he did not use it.
Yes. The ammonium ion has a formula of NH4+ and has a positive charge so it is a cation.
ammonium (NH4+) an ion formed by the reaction of ammonia (NH3) with a hydrogen ion (H+). The ammonium ion is highly soluble in water but does not pass easily through cell membranes, as does the ammonia molecule, and its rate of excretion is influenced in part by the acidity of urine.