Answer:
B.
Explanation:
Oxygen is really -2
While the other options in correct form is
Hydrogen O.S is +1
A pure group 1 element is 0.
And
A monoatomic ion's O.S is the charge contained by it
Answer:
Since you would have to do work on the charge to bring it back to its original position, the charge moves to a position of lower potential and lower potential energy.
"Density" is the ratio of two numbers ... the mass AND the volume of a piece of some material.
If you only have one number, then the density of it is like one scis, or one tweez, or the sound of one hand clapping, or one pant.