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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

How the 3 subatomic particles discover?

Subatomic particles were discovered through experiments involving the interaction of matter with various forms of radiation, such as beta particles, gamma rays, and alpha particles. Scientists like J.J. Thomson, Ernest Rutherford, and James Chadwick played integral roles in the discovery of electrons, protons, and neutrons, respectively. Their contributions to the field of atomic and nuclear physics helped unravel the nature of subatomic particles and their properties.

Why are there 3 subatomic particles?

Protons, neutrons, and electrons are the three main subatomic particles in an atom. Protons and neutrons are found in the nucleus while electrons orbit around the nucleus. They have different properties and roles in determining the characteristics of an element.

What of these statements correctly identifies the charges of the subatomic particles?

Protons have a positive charge, electrons have a negative charge, and neutrons have no charge (neutral).

Where the quarks located?

Quarks are subatomic particles that are found within protons and neutrons, which are two of the building blocks of an atom's nucleus. Quarks are never found in isolation; they are always bound together in groups of two or three inside these larger particles.

What is static electrons?

Static electricity is the build-up of electric charge on the surface of an object. When certain materials are rubbed together, electrons can transfer from one material to another, causing one material to become positively charged and the other to become negatively charged. These charges can create a visible spark or cause objects to attract or repel each other.

How many electrons and neutrons are in radium?

Radium has 88 electrons. The number of neutrons is different for each isotope:

Number of neutrons = Atomic mass - 88

The most stable and known isotope of radium, 226Ra, has 138 neutrons.

Has anything smaller than a Quark been identified?

A object smaller than a quark has been found but not directly. This object is the singularity at the centre of every black hole. This is a place where all the laws of physics, mathematics or anything else break down and are cast aside. Our universe in theory started with a singularity.

It is the kind of place where 2+2=5.

It is an object that is infinitely small and infinitely dense which is why in 2008 CERN launched two quarks at the speed of light to hit each other and reveal the singularity as previous particles had been found inside each other, the experiment failed the particles obey the laws of quantum mechanics only to well meaning it is nearly impossible to get them to be seen never mind crash.

What is the release high energy electron from the nucleus?

Usually, highly electro positive atoms donate (release) electrons to convert into cations. Metals are good electron donors and a few exceptional non-metals with high negative ionization enthalpies, release electrons to gain stability and achieve nearest noble-gas configuration.

What is the subatomic particle located farthest from the nucleus of the atom?

The electron is the subatomic particle located farthest from the nucleus of the atom.

An atom that loses or gains electrons is called .?

An atom that loses or gains electrons is called an ion. When an atom loses electrons, it becomes positively charged and is called a cation. When an atom gains electrons, it becomes negatively charged and is called an anion.

What would happen to you if you were on an insulated stand and your potential was increased by 10 kilo volts with respect to Earth?

If your potential was increased by 10 kilo volts with respect to Earth while standing on an insulated stand, you would likely experience an electric shock when you come into contact with any grounded object or person, as the potential difference would cause a discharge of electrical energy. This could result in serious injury or even death depending on the circumstances and the amount of current flowing through your body. It is important to always exercise caution and avoid such situations to prevent harm.

What does the electron transport train produce?

The electron transport chain produces ATP (adenosine triphosphate), the cell's main energy source, by transferring electrons from NADH and FADH2 to oxygen. This process generates a proton gradient across the inner mitochondrial membrane, which drives ATP synthesis through oxidative phosphorylation.

Can free electron absorb photon?

Yes, free electrons can absorb photons. When a photon interacts with a free electron, it can transfer its energy to the electron, causing it to move to a higher energy level or even be ejected from the material. This process is the basis for various phenomena such as photoelectric effect and Compton scattering.

Why must quarks be always combined in twos or threes?

Quarks are always combined in twos or threes due to the strong force that binds them together. This force is mediated by gluons, which are exchanged between quarks. When quarks combine in twos or threes, it allows the exchange of gluons to create a stable bound state. Any combination outside of this would require an excessive amount of energy to maintain.

What do nutrons and protons have in common?

Protons, neutrons and electrons are all components af the atom.

Proton: 1,007 276 466 77(10) atomic mass units (u); positive electrical charge, component of the atomic nucleus, contain quarks and gluons

Neutron: 1,008 664 915 6 (6) atomic mass units (u), neutral, component of the atomic nucleus, contain quarks and gluons

Electron: 5,485 799 094 3(23).10-4 atomic mass units (u), negative electrical charge, component of the atom

When are particles able to flow over each other?

Particles in a substance are able to flow over each other when the substance is in a liquid or gas state. In these states, the particles have enough energy to move around and slide past each other, allowing the substance to take the shape of its container.

The substance that accepts electrons from another substance is the?

In a redox reaction, the substance that accepts electrons is said to be the substance reduced. This substance is also likely the oxidizing agent, since oxidation is the loss of electrons.

What has metallic period 6 56 protons?

The element with 56 protons in period 6 is barium (Ba). It is a soft, silvery metal that is an alkaline earth metal. Barium is commonly used in a variety of applications, including in the medical field for certain imaging procedures.

What does proton motive force produce?

Proton-motive force

The force established by a proton gradient; the mechanism by which energy released in respiration reactions is stored before being converted to chemical energy in the form of ATP.