in a solid they are slow, in a liquid they are faster, and in a gass they are fastest.
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Liquid
Matter that has a definite shape and volume is in solid state.
When water freezes, it changes from a liquied water molecule (H2) to ice, but it is still a water molecule. So, yes, the matter stays the same on a molecular level.
Heat increases the energy of in matter. This causes the movement of the particles making up the matter to speed up. The changes of state occur depending on the speed of the particles.
yes they exsist as monoatomic molecule in vapour state
Liquid
In all forms of matter the molecules have some movement, but to varying degrees.
Solid state
Please help
Changes of state of matter are physical processes, the molecule remain unchanged.
Solid.
Evaporation is the movement from the liquid state to the gas(vapor) state in Physical Science or Matter.
The state of matter that has a definite volume but not a definite shape
Gas.
A solid state.
liquid and gas
Matter, when increasing in energy, can change from a solid to a liquid or a liquid to a gas, giving the molecules of the matter more movement and ability to move away from other molecules. Solids are the least energized state of matter, in which the matter is in a constant, stable place around other molecules and can only vibrate. They have both constant volume and shape When Solids melt, they turn into 'unstuck' liquids that have constant volume but not constant shape. When liquids evaporate, they transform into a state that allows free movement of each molecule, creating gas. This state has no definite volume nor shape.