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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

When bismuth 214 emits a positron the remaining daughter nucleus is what?

When bismuth-214 emits a positron, it undergoes beta-plus decay to produce polonium-214. This decay process involves the conversion of a proton into a neutron, releasing a positron and a neutrino.

Do the red balls means neutrons?

One cannot really answer this question without additional information. In what picture do red balls mean neutrons?

It is true that in some pictures of an atomic nucleus the color red is used for neutrons, but this is a convention, it is semantics, neutrons themselves have no color (they don't even directly interact with light).

Where is the subatomic particles located?

Subatomic particles, such as protons, neutrons, and electrons, are located within the atoms that make up all matter. Protons and neutrons are found within the nucleus of an atom, while electrons orbit the nucleus in energy levels.

Does the carbon14 have more protons neutrons or electrons than carbon12?

Carbon-14 contains more neutrons compared to carbon-12. Carbon-12 has 6 neutrons, while carbon-14 has 8 neutrons. The number of protons and electrons in both carbon isotopes remains the same, at 6 each.

Are neutrons found only in atoms?

No, neutrons are not only found in atoms. Neutrons are subatomic particles and can also exist independently in environments such as nuclear reactors or certain types of particle accelerators.

Which particles are neutural?

Neutrons are neutral particles as they do not carry any electrical charge. This makes them unique compared to protons, which are positively charged, and electrons, which are negatively charged.

How is an electron formed from energy quanta?

Electrons are not formed from energy quanta; they are elementary particles that exist as fundamental units of matter. However, electrons can be created in processes such as beta decay, where a neutron transforms into a proton, electron, and an antineutrino. These processes involve the conversion of energy into matter, following the principles of quantum mechanics.

How are electrons different from neutrons?

Electrons are negatively charged subatomic particles found in the electron cloud surrounding the nucleus of an atom, while neutrons are neutrally charged subatomic particles found in the nucleus of an atom. Electrons are much smaller in size and mass compared to neutrons, with electrons being approximately 1/1836th the mass of a neutron. Electrons are involved in chemical reactions and bonding, while neutrons help stabilize the nucleus of an atom.

What is the modern electron configuration OF SULFUR?

The modern electron configuration of sulfur is 1s2 2s2 2p6 3s2 3p4. This means sulfur has 16 electrons distributed over its energy levels, with the majority of them in the 2p orbital.

What is the term for a bond where an electron pair is shared but both electrons have been donated by one atom?

The term for a bond where an electron pair is shared but both electrons have been donated by one atom is called a coordinate covalent bond or a dative bond. In this type of bond, both electrons in the shared pair come from the same atom.

What are the 2 energy carriers that enter the electron transport chain and their energy can be transferred to ATP?

FAD and NADH

The pick up electrons, with attendant protons, to carry into the transport chain and become,

FADH and NADH2

What is the smallest particle in quantum physics?

The smallest particle in quantum physics is typically considered to be the quanta of energy known as a photon, which is a fundamental particle that carries electromagnetic radiation. However, there are also other elementary particles such as electrons, quarks, and neutrinos that are considered fundamental building blocks of matter.

How many electrons are there in 1g of hydrogen gas?

The gram atomic mass of hydrogen is close to 1, so that 1 g of the gas contains one mole of hydrogen atoms. Each atom contains 1 electron, so that the stated amount of gas contains Avogadro's Number of electrons, 6 X 1023 to the justified number of significant digits.

When an atom has an unbalanced ratio of protons and neutrons what will it do to try to stabilze itself?

An atom with an unbalanced ratio of protons and neutrons will undergo radioactive decay to achieve a more stable configuration. The type of decay process, such as alpha or beta decay, will depend on the specific imbalance in the nucleus. This allows the atom to transform into a more stable element by adjusting the proton-neutron ratio.

What role does neutrons play in fission?

In nuclear fission an atom is broken up into two or more new particles. Sometimes this happens all by itself, but when we want it to happen more rapidly we use a critical assembly of fissile fuel and a moderator, which multiplies the neutron flux. The moderator slows down the neutrons produced in each fission which can then cause further fissions, resulting in a chain reaction. Each fission also releases energy as heat. The chain reaction is controlled at a steady level by control rods which absorb neutrons.

What you look at to determine the number of protons in an atom?

look at the atomic number...for example, if hydrogen's atomic number's one then it also has one proton.(:

Are the protons and electrons fused together in a neutron star and if the fuse are you left with neutrons?

In a neutron star, protons and electrons are indeed fused together through the extreme pressure. This process transforms some protons into neutrons through inverse beta decay, producing a core made mostly of neutrons with a small fraction of protons and electrons.

What was neil bohrs prediction about the location of electrons in the atom?

Bohr predicted that electrons would orbit the nucleus much like the planets orbit the sun. This is not quite true, however, as electrons are found in the electron cloud, and do not have a specific position until they are observed.
his professor Rutherford knew electrons went on the outer shells. he developed the theory that electrons can move to different levels closer or farther from the nucleus.

What is made up of a neutron a proton and a surrounding cloud of orbiting electrons?

An atom is made up of a neutron, a proton, and a surrounding cloud of orbiting electrons. The nucleus of the atom contains the neutrons and protons, while the electrons occupy the electron cloud surrounding the nucleus.

Does the valence electrons equal the number of protons?

No, the number of valence electrons does not necessarily equal the number of protons in an atom. The number of valence electrons is determined by the group number of the element in the periodic table, while the number of protons is the atomic number of the element.