Answer:
See below
Explanation:
Ammonium 
is not a molecular ion because it is just a poly-atomic ion. A molecular ion has a "negative or positive charge" as a whole but the positive charge on here is not on the whole. So, it is a poly-atomic ion and not molecular ion.
This is Bohrs model for potassium
There are two ways to liquefy a gas:
-- Increase the pressure on it.
-- Lower its temperature.
The liquefication is faster and easier if you do both.
Food handler be unsuccessful to wash hands correctly after spending the restroom or when their hands become dirty.
Food handler coughs or sneezes on foodstuff.
Food handler traces or scratches wounds, cuts, or sores, and then touches food.
Food handler works though sick.
<span>
</span>
