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.
There are other substances equally precious, even more precious than gold, that you must get to know better. So hereâs a list of the top 10 most precious metals in the world. A good handheld XRF can tell you what metal you have within the Most Rare Gold Minerals. 1. Rhodium. This extremely rare, valuable and silvery-colored metal is commonly used for its reflective properties.