Answer:
A solid's particles fit closely together. The forces between the particles are so strong that the particles can not move freely; they can only vibrate. This causes a solid to be a stable, non-compressible shape with a definite volume.
Explanation:
I honestly don't know if that's right...
I believe your answer will be 40
I think its 2-, it gained 2 electrons.
Yeah, it increases the surface tension !!!
432 bolts will be produced in 45 minutes
Hope this helps!!