Answer:
gram atomic mass
Explanation:
Mass of an atom expressed in grams is known as gram atomic mass. It is equal to the relative atomic mass or atomic weight in grams.
It's a hazard symbol for irritant.
Explanation:
I don't think human beings will ever extinct
cause they are smart and adaptive
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.
I believe that #1 is the lie, but I'm not great at this subject.
