Answer:
Model
Explanation:
A model of anything is something you make to represent it in it's physical world form
Answer: 1 mole of 
has the greatest mass.
Explanation:
According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP , contains avogadro's number 
of particles and weighs equal to the molecular mass of the substance.
1 mole of has a mass of 40 g.
1 mole of 
has a mass of 28 g
1 mole of 
has a mass of 32 g
1 mole of 
has a mass of 16 g.
1 mole of 
has a mass of 30 g.
Thus the greatest mass is of 1 mole of
Answer:
24 is the correct anwer
this the anwer text this u no
Answer:
There are often not more than one or two independent variables tested in an experiment.
Answer:
There is no picture
Explanation:
You forgot to put the picture
