PLS DO THIS I GIVE BRAINILEST IM BEING TIMED PLEASE QUICK HURRY Using an analogy of a water balloon, describe the function of the bladder. (2 points)

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Explanation for basic character?

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit