Periodic Table Quiz: Can You Guess the Element from Its Chemical Symbol?
See how many you get correct on this quiz of the periodic table of elements. Do you know what element Mg is? Mg stands for ...
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Examining the periodic table of elements and how they build life – and our bodies
At the heart of our biological composition are four elements: oxygen (O), carbon (C), hydrogen (H) and nitrogen (N ... are almost one-quarter of the periodic table and are mainly found in ...