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Electrons circling around the nucleus provide momentum therefore allowing the atoms to move around randomly.
Here is a long answer pulled up from the internet with the original question "Do atoms move?" It provides some aspects to the answer you want to your question:
Yes. Atoms are in constant motion.
In an atom, electrons in motion around the nucleus possess orbital angular momentum in addition to their spin, while the nucleus itself possesses angular momentum due to its nuclear spin. The magnetic field produced by an atom-its magnetic moment-is determined by these various forms of angular momentum, just as a rotating charged object classically produces a magnetic field. However, the most dominant contribution comes from spin.
Also, the motion of atoms on a non-quantum level is referred to as thermal energy. A part of thermal energy is Internal energy - the sum of all microscopic forms of energy of a system. It is related to the molecular structure and the degree of molecular activity and may be viewed as the sum of kinetic and potential energies of the molecules. Since any amount of thermal energy can be expressed in degrees of temperature, the only time that molecular motion stops is if you reach 'absolute zero'. (−273.15 C or −459.67 F)
Absolute zero is the lowest possible temperature where nothing could be colder, and no heat energy remains in a substance. Absolute zero is the point at which molecules do not move (relative to the rest of the body) more than they are required to by a quantum mechanical effect called zero-point energy. It is a theoretical limit and cannot be achieved with the current technology available.
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How do optical tweezers work?
Optical Tweezers can only be useful on individual atoms. What they are is steerable beams of light used to move atoms around.
Does metal expand and contract?
Yes but remember that metals such as iron the forces between the atoms are stronger so it is more difficult for the atoms to move around.
How do particles move at higher temperatures compared to how they move at lower temperaturs?
Unless an object is at Absolute Zero temperature, its atoms are in constant movement, either vibrating in a solid, or bouncing around in liquid or gas. Energy excites atoms. Excited atoms move faster. Any object above Absolute Zero is said to have SOME heat. The faster an objects atoms are moving, the higher its temperature is said to be.
A gas is a collection of what that move about freely?
Gas is a collection of gas phase particles that move around freely. The gas phase particles are ions, molecules or atoms.
Does temperature effect the brightness of a glowstick?
Yes it is. If you put a activated glow stick in hot water the atoms in a glow stick will start to move around. The plastic will expand letting the atoms move. When the atoms move they create energy, energy equals bright light. If you were to put the activated glow stick in room temperature water it would not be as bright. The atoms will stay the same. If you were to put a activated glow stick in cold water the atoms won't move. They will huddle together. No movement means no energy which means no brightness. You are welcome :)
Are atoms in magma free to move around?
yes
Who said that atoms constantly move?
Democritus was the one who said that atoms constantly move. He was a Greek philosopher and said this around 440 BC.
What are the energetic particles that move around in a atoms nucleus?
electrons
Who said that atoms move around the nucleus in specific orbits?
Bohr
Can atoms move?
Yes atoms do move
How can you compare the movement of the atoms in liquid steel and solid steel?
In liquid steel, the atoms are more free and can move around like water. In solid steel the atoms are tightly packed and cannot move at all.
What is it called when atoms move around start to end of reaction?
It is called eroukopensis
How can you tell witch of matter is water?
the atoms in a liquid can move around freely.
What compare the solid in liquid?
In a solid state atoms do not move much. They just vibrate in a fixed position. In a liquid state atoms move around frequently and do not stay in fixed positions.
What atoms that are inside of something are not allowed to move around too much?
heavy elements
What are the differences betweenmolcule of a liquid and a solid?
The difference between solids, liquids, and gases at a molecular level is how much room the atoms have to move around. In solids, the atoms are packed closely together not leaving much room to move around, thus giving it a definite shape and volume. The atoms in liquids have a little more room to move around and can take the shape of its container but still have a definite volume.
How do optical tweezers work?
Optical Tweezers can only be useful on individual atoms. What they are is steerable beams of light used to move atoms around.
