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i mean like is it hip hop , techno .. i dont know ? but what is it? http://www.youtube.com/watch?v=EuUV5hub7Vk

the two metals , sodim (atomic number 11 , relative atomic mass = 23.0) and magnesium (atomic number 12 , relative atomic number = 24.3) are found next to each other on the periodic table . which of the two elements may exist naturally as a single isotope . Explain.