Answer:
There are no acceptable descriptions at all on that list of choices.
The planets and the sun form the solar system. The sun is an enormous star. The planets move around the sun. Mercury,Venus,earth, and Mars are the four small rocky planets. Jupiter, Saturn, Uranus, and Neptune are the four giant gas planets
3.1 is not the same as 2.97
Fluorine - Seven electrons of it's own.
Lithium would give up one electron, so there for, fluorine is then left with eight.
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.
