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Protons – Protons and neutrons together make up the nucleus of an atom.
English name: proton
Description: A type of elementary particle that makes up matter. It is represented by the commonly used symbol p.
Positively charged, the amount of electricity is equal to electrostatic coulombs or coulombs. It is equal to the amount of electricity carried by the electron, but the sign is reversed. The mass at rest is equal to grams, which is a multiple of the mass of the electron.
It is the nucleus of the hydrogen atom and is also a nuclear component. The number of protons contained in the nucleus of an element is the electron number of that element.
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A type of particle that makes up the nucleus of an atom and is itself positively charged and is made up of smaller particles (quarks).
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A round ball made up of small quarks. Each proton carries a positive charge and has a volume 1836 times that of an electron.
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Protons and neutrons make up the nucleus, and protons are positively charged.
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Atoms are elemental chemical properties.
The smallest unit. An atom contains a dense nucleus.
and a number of electrons that are negatively charged around the nucleus. The nucleus is made up of positively charged protons and electrically neutral neutrons. When the number of protons is the same as the number of electrons, the atom is electrically neutral; Otherwise, it is a positively or negatively charged ion.
Depending on the number of protons and neutrons, the type of atom is different: the number of protons determines which element the atom belongs to, while the number of neutrons determines which isotope the atom is of that element.
Compared to everyday experience, an atom is a very small object with such a tiny mass that a single atom can only be observed with some special instruments, such as a tunneling microscope.
The weight of an atom is concentrated in the nucleus, in which protons and neutrons have similar masses. Each element has at least one unstable isotope that can undergo radioactive decay. This directly leads to nuclear transformation, i.e., a change in the number of neutrons or protons in the nucleus of an atom.
Electrons occupy a stable set of energy levels, or orbitals. As they absorb and emit photons, electrons can also jump between different energy levels, where the energy absorbed or emitted is equal to the energy difference between the energy levels. Electrons determine the chemical properties of an element and have a great influence on the magnetic properties of atoms.
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Matter is made up of separate peizi, and if the molecules are subdivided, they can be divided into various atoms. Molecules are chemical properties.
The smallest unit of the atom is the smallest unit of physical dissipation. We know that there are a series of atoms like h, o, s, n, etc.
Atoms such as socks can be divided into nuclei.
and extranuclear electrons. The nucleus then divides into protons.
and neutrons. The hydrogen ion we know is actually a proton, the hydrogen atom has no neutron, it loses an electron to form a hydrogen ion, and there is only one proton left.
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The nucleus of an atom and the electrons outside the nucleus, which in turn are divided into protons and neutrons.
So of course there is a difference.
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Both protons and neutrons are metallic hydrogens with different spin states.
The charge is metallic hydrogen in the excited state – electrons.
Ball lightning is the "plasma" – the metal Vuzi macro hydrogen.
Substances at room temperature and pressure are formed by the polymerization of metallic hydrogen; The high-speed flowing matter in the magnetic field is converted into metallic hydrogen, and the "magnetic moment" of metallic hydrogen cuts and polymerizes with each other to form new elements, and at the same time accompanies electromagnetic waves—energy.
Metallic hydrogen is the carrier of electromagnetic waves, and the propagation of electromagnetic waves is inseparable from the "magnetic moment" of metallic hydrogen, which has wave-particle biphasic properties.
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A proton is a subatomic particle with a positive charge of a coulomb (c), about m in diameter, and a mass of 938 million electron volts c (mev c), that is, kilograms, about times the mass of an electron (the mass of an electron is kilograms), and a proton is slightly lighter than a neutron (neutrons have a mass of kilograms).
Protons belong to the baryon class and are made up of two upper quarks and one lower quark by gluon in a strong interaction. The number of protons in an atom's nucleus determines the type of element and what kind of chemical element it belongs to. In physics, protons are often used to accelerate to nearly the speed of light in an accelerator and collide with other particles.
Such experiments provide extremely important data for the study of the structure of atomic nuclei. Slow protons may also be absorbed by atomic nuclei and used to make artificial isotopes or artificial elements. NMR uses the spin of a proton to test the structure of a molecule.
Proton heavy ion** is an "upgrade" to radiotherapy. Protons and heavy ions are both particle rays, which have the characteristics of instantly releasing energy to form the Bragg peak after reaching a certain depth, which can accurately target tumor lesions and blast tumor cells at a fixed point like missiles to avoid damage to normal tissues as much as possible. >>>More
Note that H30+ is not the strongest acid, its PKA=1, it can only be said that other strong acids such as H2SO4 in aqueous solution are also PKA=1, that is, the accurate PKA of H2SO4 cannot be measured, so H2O is a leveling solution of strong acids such as H2SO4 and H3O+, you can learn about the leveling effect and the discrimination effect.
"Evaluation" is a very important part of curriculum implementation. If a course does not end up with a more scientific evaluation method, the course management will fail. For a long time, there have been one-sided evaluation purposes, narrow evaluation scope, and single evaluation methods in the evaluation of Chinese teaching. >>>More
After remarriage, I am very happy, I like children, respect the elderly, I am attached to my family, my work and life are family-centered, I work hard and keep learning, and I am optimistic about progress.
Personality: Too crazy, not reserved, girls who talk too loudly are not cute, and girls who don't keep their distance from boys are not safe.