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.
The 5 Most Commonly Used Metals on Earth and the 10 Most Valuable Metals on Earth. Common Metal #4. The 4th commonly used metal is titanium. Titanium is known as the space age metal. However it is expensive and the mining process is hard, stopping it from being the most commonly used metal.