Answer:
So the molar mass of C4,H10 is
58.12g mole -1
Hey there !
The answer would be C. Is when electrons cannot nice through objects easily.
Any material that keeps energy such as electricity, heat, or cold from easily transferring through is an insulator. Wood, plastic, rubber, and glass are good insulators.
Hope this helps !
Bromine has one more electron shell than the chlorine atom making the radius larger than the chlorine atom.
They have no charge and are located inside the nucleus