Answer:
A potassium atom (atomic number 19) and a bromine atom (atomic number 35) can form a chemical bond through a transfer of one electron. The potassium ion that forms has 18 electrons. What best describes the bromide ion that forms? It is a negative ion that has one more valence electron than a neutral bromine atom.
Explanation:
Coefficient is the number before an equation of a chemical formula
It is c because I did it already
What a substance reacts with is not a physical property, but rather a chemical one. The answer is "ability to combine with hydrogen"