i took physics so i would not know. I am just answering because no one else has so far.
They are not going to make you memorize proton and mass numbers or anything, that would just be absurd. If you need one, they will give it to you.
Long messages do not equal aggravation of any sort,
rather they reflect nothing more than a response of insight
that should always be read in a matter-of-fact tone.
"Those womyn that seek equality with men, lack determination."
"I beseech you, in the bowels of Christ, think it possible you may be wrong."