What are the possible side effects of memantine (Namenda)? Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using memantine and call your doctor at once if you have any of these serious side effects:
only three atoms were produced, which is less than any other element. for the last time, diamonds are not the most expensive elements on earth, they are just a form of carbon. no form of carbon is the most expensive element on earth. a diamond sized piece of eka-radon would be worth millions.
In the end, Neptunium has not proved to be the most useful of elements. When it turns up in a nuclear reactor, or as the end product of the decay of americium in smoke detectors, it is regarded as waste, and it's a particularly long lasting, nasty waste with its immense 2 million year half life.