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Which subatomic particle has negligible mass and travels around outside the nucleus?
Electrons have negligible mass and travel around the outside of the nucleus in orbits or energy levels.
Why doesnt the mass number change when electrons are added or removed?
The mass number represents the total number of protons and neutrons in an atom's nucleus. Electrons, which are negatively charged particles, have negligible mass compared to protons and neutrons. Therefore, adding or removing electrons does not significantly affect the mass number of an atom.
Do protons have a negligible mass?
No, protons have a mass of about 1.67 x 10^-27 kg, which is approximately 1836 times the mass of an electron.
Why is the mass of an electron often considered to be 0?
A photon is a light particle or an EM wave. As a particle, it is conceptually simple to think of a photon as a point (zero) mass. One consequence of Einstein's special theory of relativity is that a particle of a finite mass can never approach the speed of light, which is made of photons. It is equally nonsensical to assign a mass to a wave, which is propagation of energy packets (one can think of waves as the travel of information). Conceptually speaking, how can information have a mass?
What is the mass of an atom found by?
The mass of an atom is primarily determined by the combined masses of its protons, neutrons, and electrons. Protons and neutrons contribute most of the mass since electrons have negligible mass. The exact mass of an atom can be found by adding up the masses of its protons, neutrons, and electrons.
What particle contributes a negligible amount to the atomic mass?
There are a number of particles of particularly low mass. Electrons have much less mass than either protons or neutrons, and so are negligible in calculating the mass of an atom. However, electrons are still much heavier than neutrinos or photons, which are even more negligible in mass.
What is a particle of relatively negligible mass?
A photon is a particle with negligible mass, whose energy and momentum are determined by its frequency and wavelength. It is a fundamental particle that carries electromagnetic radiation.
What is this element atomic mass?
mass of protons + mass of neutrons present in the element (as the mass of electrons is practically negligible)
Which subatomic particle has negligible mass and travels around outside the nucleus?
Electrons have negligible mass and travel around the outside of the nucleus in orbits or energy levels.
What is so small it barely has any mass?
An electron has negligible mass and is under a 5th of the mass of a proton.
Why don't he include the electron in atoms mass?
when compared to the mass of protons and neutrons, the mass of the electrons is negligible and hence not included in atomic mass.
Where is most of the mass of an atom contain?
in the nucleus of an atom -proton and neutrons , electrons in the orbit has the negligible mass.
Which type of radiation has a negligible mass and a charge of plus 1?
This is a positron.
Why is mass number calculated with only the protons and neutrons and not electrons?
Because the mass of electron is negligible when compared to the mass of protons or neutrons.
What are negatively charged subatomic particle with a negligible mass and which orbits the nucleus?
electron
Do atoms have gravitational force?
Yes. Everything with mass has gravity. Something with as little mass as an atom, though, has negligible gravity.
What 2 parts of an atom give it is mass?
The atomic mass of an element depends on the weight of the protons, neutrons, and electrons (almost negligible) in one mole (6.022 x 10^23 atoms) of the element.
