An element or compound used to enhance a semiconductor is called a/an

When a small, carefully controlled bit of an impurity is introduced into a super-pure substance, the substance becomes a semiconductor.

The element or compound that was added to the pure substance to make it a semiconductor is called a "dopant".

I tried including some more sentences in the answer, to give you other forms of that word, like the ones that rhyme with 'rope', 'roped', and 'roping', but won't allow the use of the word !

dec 23, 2016 - a load of bricks weighing 680 n a distance of 10 m across a parking lot. if if the worker pushes the cart with a constant force of 209 n, what work= force x distance = 220 n x 10 m = 2200 n.m = 2200 j i don't know where the person got it from, but the initial part, work= force x distance me.