I believe it’s B I apologize if it’s wrong
D protons. <span>the identity of an element is determined by the total number of protons present in the nucleus of an atom contained in that partial element.
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Qualitative observation. Which is data or information with your senses such as sight, taste, smell, and touch.
Consider you have a mixture of amino acids(contains all set of amino acids such as polar, non polar). Other than TLC, how are you supposed to separate a single amino acid from the mixture without loss of amino acid quantitatively.
