Answer: An insulator would be made out of material unable to conduct electricity due to lack of fluid movement for electrons, such as rubber. Rubber properties not only prevents them from freely moving, but also helps electrons stay tightly bound to each other.
Hope this helps ^_^
Is a compound that went through a chemicAl change
C. NO2 is covalent. Hope this helps!
The answer should be Pure substance
It is the darmstadtium element that has the electron configuration above and the atomic number of 110
