The density is 3 because the density remains the same.
SPR can be used in order to do real time monitoring and to evaluate the advancement of compounds.
<h3>Why should we use SPR?</h3>
SPR provide information to evaluate whether or not compounds should advance to the next stage of investigation. It also provides real-time monitoring.
So we can conclude that SPR can be used in order to do real time monitoring and to evaluate the advancement of compounds.
Learn more about monitoring here: brainly.com/question/13163394
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Involuntary and the brain, because the stem controls involuntary reactions
Sodium (Na) has only one electron in its outer electron shell, as shown in Figure 1. Once again, gaining one electron is more energy efficient than losing seven. As a result, it appears to obtain an electron, resulting in an ion with 17 protons, 17 neutrons, and 18 electrons, and a net negative charge (–1).