Extracting is cleaning and reducing the metals AKA removing the oxygen (O) from the metal, to then bind with carbon (C) (with iron at least)
The advantage is that you will be able to re-use that ballpoint pen in another manner. It could be a toy and such. The only disadvantage that it is really hard to transform the parts of the ball pen especially it has ink and the like. You can't recycle the ink for another purpose.
Answer:
protons only
Explanation:
proton is present in the nucleus of atom as sub atomic particle ..
proton has + charge in the it's top as p+..
