In chemistry, bases are substances that, in aqueous solution, are slippery to the touch, ... This makes the Arrhenius model limited, as it cannot explain the basic ...
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Biology and medicine have enjoyed enormous benefit from a biochemical approach to life. One striking example uses the fact that spinning nuclear protons can ...
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Symbol. Name. Atomic. Number. Percent of atoms in cells. Role in Living Systems. S. Sulfur. 16. 0.06. Constituent of most proteins. P. Phosphorus. 15. 0.16.