Answer:
B) any complex thing with properties normally associated with living things
When you add or change the subscript, you are changng the number of atoms in the substance.
To try to get attention, it's not safe and you can get sent to the hospital. People think it's a joke, it's really not.
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.
