Answer:
will form bonds between atoms. for more details are in the pic
Fluorine is a nonmetal and as such it would need to take in or obtain an electron from a metal to have a stable octet, or full number of 8 electrons in its valence shell. Thus due to the indifference of electrons and protons it becomes an anion, a negatively charged ion.
Answer:
I believe CDC I s the most reliable
the block will move to F but at the same time make it's way over to G because 250g weighs more than 100g