Give the structure corresponding to the each IUPAC of a. 3 methylhexane.
b. 3,5,5 trimethyloctane
c. 3 -ethyl -5-isobutylnonane
d. 3, 3-dimethyl pentane
e. 3-ethyl -4-methyl hexane

c number i cannot answer but other are in pic

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

Neither model is able to show the reactivity of potassium.