The answer is C. Atomic Number
Your answers are both evocative and active forces. Hope this helps.
In an 1H NMR spectrum, the signal for vinyl proton is generally more downfield than an alkyl proton because the additional magnetic field created by the π electrons causes the nearby protons to resonate at a higher frequency.
<h3>What is meant by NMR? </h3>
NMR stands for nuclear magnetic resonance. In this technique, various molecules are studied by studying the interactions of their nucleus with electromagnetic radiations and then recording their radiofrequency.
The nuclei in this case are placed in a strong magnetic field.
This effect was discovered by Zeeman. It is used to study the magnetic properties of nuclei of certain atoms so that they can be appropriately utilized.
Therefore, In a 1H NMR spectrum, the vinyl proton signal is more downfield than an alkyl proton because the additional magnetic field created by the π electrons causes the nearby protons to resonate at a higher frequency.
Read more about NMR, here
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The reaction against your skin is equal to the force put upon the object.
Zero net force is when forces are balanced, ie no velocity.
All forces put on an object have an equal and opposite reaction.
