Answer:
A solid's particles are packed closely together. The forces between the particles are strong enough that the particles cannot move freely; they can only vibrate. As a result, a solid has a stable, definite shape and a definite volume. Solids can only change shape under force, as when broken or cut.
The answer is A cause gas clouds hold elements in it
At higher temperature, and lower pressure.
The answer is A.Hope this helps
What I think is the charge of nucleus is the proton+neutron
