Answer:
Microwave radiation
Explanation:
This radiation is the one used in microwaves.
Answer:
It's called Independent variable
Explanation:
....
Answer:
Transition elements are present in this region.
Explanation:
<h2>
Answer:
atoms</h2>
Explanation:
The given formula of the compound is 
The formula says
Every mole of
contains
moles of atoms of hydrogen.
Given that number of moles of compound is 
So,the number of moles of hydrogen atoms present is 
Since each mole has
atoms,
moles has
atoms.