Answer:
Question 6
Plants use flowers to absorb photsynthese
The relation between the elements electro negativity, atomic radius, and ionization energy levels.
Answer:
false, Potassium and fluorine are not halogens.
only fluorine here is halogen.
potassium is an alkali earth metal it doesn't comes under category of halogens, but fluorine
is a non metal which comes under halogen family.
The answer to that is mass and chemical