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1) For a molecular compound: it is the molecule.

2) For an ionic compound: it is the formula unit (made of ions).

3) For an element: it is the atom.

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13y ago

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Related Questions

What is the mass of a massless particles?

Zero.


What are the subatomic particles with no mass?

photonsgravitonsBoth are bosons, there are no massless fermions although neutrinos were once believed to be massless.


Which three subatomic particles are the lightest?

The three lightest subatomic particles are electrons, neutrinos, and photons. Electrons and neutrinos have very small masses, while photons are massless.


What is a particle without mass and what are its properties?

A particle without mass is called a massless particle. Massless particles travel at the speed of light and do not experience gravitational forces. They have energy and momentum, but no rest mass. Examples of massless particles include photons (particles of light) and gluons (particles that mediate the strong nuclear force).


What is the significance of momentum for a massless particle?

The significance of momentum for a massless particle is that it determines the particle's energy and direction of motion. Since a massless particle always travels at the speed of light, its momentum is directly proportional to its energy. Momentum is crucial for understanding how massless particles, such as photons, interact with other particles and fields in physics.


What are massless particles traveling the speed of light?

Massless particles traveling at the speed of light include photons, the particles of light. They have no rest mass and always move at the speed of light in a vacuum according to the theory of special relativity.


What are the subatomic particles with no mass called?

Subatomic particles with no mass are called neutrinos. Neutrinos are elementary particles that have extremely small, non-zero masses, but they are considered nearly massless in many calculations due to their very small mass values.


Does light have mass?

No, light does not have mass. It is made up of particles called photons, which are massless.


What doesn't have mass?

There are three known massless particles. Gauge bosons, gluons, and photons.


Is there any particle smaller than neutrino?

I suppose that gluons are smaller because these particles are massless.


Theoretical massless particle?

== == The Higgs Boson is another theoretical particle thought to be responsible for the presence of mass in other particles that have mass. I believe the Higgs Boson is theorized to be itself massless. there are 3 known massless particles: the gauge boson, the photon, and the gluon ( the gluon isn't necessarily categorized as a free particle due to the fact that they are confined to hadrons) neutrinos were also, until recently, were thought to be massless. however, they were discovered to change flavor, which means that they must have mass.


Is electrons light?

No, electrons are subatomic particles with a negative charge. Light, on the other hand, consists of photons which are massless particles that carry energy and electromagnetic force.