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Particle Physics

Relatively recent experimental results have confirmed what philosophers throughout history had theorized all along; that all matter is made up of elementary particles. Those curious about this cutting-edge field of physics known as particle physics should post their questions here, including those about fundamental particles, fundamental forces, Grand Unified Theories, and the extraordinary devices that have been or need to be engineered to research them.

3,842 Questions

Do protons and electrons cancel each other out?

well, neutrons are neutral which means it does not have a charge so if u only have electrons and neutrons, it would be negative, however if you had equal protons and electrons, it would be neutral.

What species contain 16 neutrons?

An element with 16 neutrons could be oxygen-16, which is a stable isotope of oxygen.

Is the Higgs-Boson the smallest particle?

  1. On 4 July 2012, the ATLAS and CMS experiments at CERN's Large Hadron Collider announced they had each observed a new particle in the mass region around 126 GeV. This particle is consistent with the Higgs boson predicted by the Standard Model.
  2. Well this is what the LHC is telling us. However it could be wrong, for example maybe it wasn't the Higgs, maybe it was a new particle. This all just mostly based on calculations by maths. The mass was predicted by maths. Then the LHC rounded it up and ended the search for the great God Particle.

What does electron orbital describe?

An electron orbital describes the probable location of an electron within an atom. It represents the three-dimensional region where an electron is most likely to be found, based on the electron's energy level, shape, and orientation within the atom. Each orbital can hold a maximum of two electrons with opposite spins.

What subatomic particles compose the mass of an atom?

All subatomic particles have mass, bar the photon and the gluon. The masses of some of the most well-known are as follows:

Electron: 0.511 MeV/c^2

Proton: 938.272 MeV/c^2

Neutron: 939.565 MeV/c^2

Electron Neutrino: ~2.2 MeV/c^2

N.B: All masses have been expressed using Einstein's mass-energy equivalence (E=m.c^2); the mass is thus expressed in terms of energy/c^2 as the masses (in kg) would be extremely small.

How many electrons does mercury consists in outer orbital?

Mercury's atomic number is 80. Thus, it has 80 protons and 80 electrons to be neutral. Its configuration is therefore 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10. As you can see, 6 of its s orbitals are filled.

What is the collective name of neutron ang protons?

Neutron and Proton both travel in a circle named Neucleus (the core of the atom)

What determines the spin of a subatomic particle?

The spin of a subatomic particle is an intrinsic property that is not caused by the particle physically spinning on its axis. It is a fundamental characteristic of the particle that has a quantized value based on its quantum state. Spin is a crucial aspect of particle physics and plays a role in determining the particle's behavior in various interactions.

How break nucleus from proton?

Well, the question as asked does not actually make physical sense. No disrespect intended. You see, the 'proton' is itself regarded as the nucleus in the pure hydrogen atom (one + charge particle, the 'proton', and one - charge particle, the electron). As such, the 'proton' IS the nucleus.

In heavier elements the 'proton' is part of the nucleus when combined with a neutron.

Good luck in your search for knowledge. But better hard work than luck.

How many neutrons are in the isotope in 1-h-1?

There is 0 neutron in a Hydrogen-1 isotope. Hydrogen-1 has an atomic number of 1, which means it has 1 proton and no neutrons.

Can the higgs boson exist in a nebula?

No, the Higgs boson is a fundamental particle that exists within the framework of the standard model of particle physics. It is not a physical object that can exist in astronomical structures like nebulae.

Where are the nucleus and electron cloud found in a atomic structure?

The nucleus is found at the center of the atom and the electron cloud is found orbiting the nucleus at fixed, quantified radii.

Does Sr have a high electron affinity or a low electron affinity?

Sr has a relatively low electron affinity. Electron affinity is the energy change when an atom gains an electron to form a negative ion, and for strontium, this energy change is lower compared to other elements.

What region is an electron most likely to be found called?

The region in an atom where an electron is most likely to be found is called an orbital. Orbitals are defined as the three-dimensional spaces around the nucleus where electrons have the highest probability of being located.

How many valence electrons do atoms in period 1 have?

Hydrogen has 1 valence electron, whereas helium has 2 valence electrons.

What is a simple explanation for antimatter?

Antimatter is a type of matter that has the opposite properties of normal matter. When a particle of matter meets its corresponding antiparticle, they annihilate each other, releasing a large amount of energy in the process. Antimatter is rare in the universe and is mostly created in high-energy environments like particle accelerators.

What is the relative size of the 3 subatomic particles?

Protons and neutrons are about the same size and are larger than electrons. Protons and neutrons have a size of about 1 femtometer (10^-15 meters), while electrons are about 1000 times smaller.

What subatomic particle makes up the mass?

Protons and neutrons make up the mass of an atom. Electrons, which are negatively charged, are much smaller in mass compared to protons and neutrons.

What forces binds protons and electrons to form atoms?

Two oppositely charged particles (electron: - charge, proton: + charge) create an attractive electrostatic force described by Coulomb's Law.

More info of the physics behind it at the related link.

How many electrons do halogen atoms get when they react?

Halogen atoms typically gain one electron when they react to achieve a stable electron configuration, forming a halide ion with a charge of -1. For example, chlorine (Cl) gains one electron to become Cl-.

What is the nature of space time at 1 picometer?

At a scale of 1 picometer, which is one trillionth of a meter, the nature of spacetime is still governed by the principles of general relativity, but quantum effects become significant. At such small distances, the concept of continuous spacetime breaks down, and a quantum theory of gravity is necessary to fully describe the nature of spacetime.

How many times is proton heavier than electron?

The ratio of a proton's rest mass to an electron's rest mass is 1836.15267247:1. For more information, follow the link below.

Is it true that Rubbing converts neutrons to protons increasing the charge?

No, rubbing does not convert neutrons to protons. Neutrons and protons are fundamental particles present in the nucleus of an atom and cannot be interconverted by rubbing. Rubbing may generate static electricity by transferring electrons between objects, but it does not change the fundamental composition of atomic nuclei.