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The common isotope of Helium ( helium 4 ) contains 4 nucleons - 2 protons and 2 neutrons. Ifyou want to consider the quarks which are believed to make up the nucleons you have 6 up-quarks and 6 down-quarks, for a total of 12. You can't add 12 and 4 to make 16 because that would mean counting the quarks twice. So you have 4 or 12, according to taste. If you want to include gluons or other virtual particles you are on your own. Anyway, a certain Mr.Heisenberg (all right, uncertain) tells us the quicker you can count the more there will be.
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∙ 15y ago
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∙ 13y agoMost helium is helium-4. This isotope of helium has two protons and two neutrons in its nucleus, and two electrons in the electron cloud around this nucleus. Helium-3, which has the two protons and only a single neutron in its nucleus within the two-electron cloud, occurs as only about one atom in a million helium atoms. These are the two stable isotopes of helium.
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∙ 13y agoyour questions are so unspecific it makes me want to laugh and cry at the same time, what particles?
If you meant to ask about alpha particles, it's a Helium atom with electric charge of +2.
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∙ 15y agoHelium is an element, not a particle.
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∙ 13y agoHelium is an element so it is composed of helium atoms.
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∙ 13y agoit has 2 protons 2 neutrons and two electrons
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∙ 13y agoHelium-3 nucleus has: 1 neutron + 2 protons
The components of neutrons and protons are quarks and gluons.
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∙ 13y agoProtons, which are hydrogen nuclei. Two protons have to be converted to neutrons, as the He nucleus is two protons and two neutrons
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∙ 13y agoHelium particles are Alpha ray's nuclei...
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∙ 11y agoan alpha particle
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Is nuclear symbol for helium the same symbol for a proton?
No the hydrogen nucleus is a proton. The helium nucleus is an alpha particle.
Are alpha particle negative or positive?
An alpha particle is a helium nucleus; it has a charge of +2.
What is an alpha particle equivilent to?
An alpha particle is equivalent to a helium-4 nucleus, or a helium-4 ion. A difference is that an alpha particle has a certain amount of energy associated with it, so it can said to be fast or hot. The energy is measured in thousands or millions of electron volts (keV or MeV).
What type of nuclear reaction results in a single nucleus undergoing a decrease in atomic number and the release of a helium nucleus?
This is emission of an alpha particle which is a helium nucleus. Thus the atomic number decreases by two and the atomic weight by four, in such a radioactive decay
What alpha radiation is made up of?
A particle of alpha radiation is made up of two protons and two neutrons resembling a Helium-4 nucleus.
Is nuclear symbol for helium the same symbol for a proton?
No the hydrogen nucleus is a proton. The helium nucleus is an alpha particle.
What type nuclear decay produces particles that are identical to the helium nucleus?
an alpha particle
Are alpha particle negative or positive?
An alpha particle is a helium nucleus; it has a charge of +2.
What is the process in which an atomic nucleus expels a helium nucleus?
We give the name alpha decay to this nuclear decay event. The alpha particle, which is a pair of protons and a pair of neutrons bound together, is, in fact a helium-4 nucleus.
Is an alpha particle is identical to the nucleus of a?
An alpha particle is identical to the nucleus of Helium atom
What radioactive particle is the size of a helium nucleus?
alpha particle
What is an alpha particle equivilent to?
An alpha particle is equivalent to a helium-4 nucleus, or a helium-4 ion. A difference is that an alpha particle has a certain amount of energy associated with it, so it can said to be fast or hot. The energy is measured in thousands or millions of electron volts (keV or MeV).
What is also called an alpha particle?
What type of nuclear reaction results in a single nucleus undergoing a decrease in atomic number and the release of a helium nucleus?
This is emission of an alpha particle which is a helium nucleus. Thus the atomic number decreases by two and the atomic weight by four, in such a radioactive decay
What particle is a helium nucleus and consists of two protons and two neutrons?
a He nucleus is known as alpha particle.
The nucleus of a helium atom is called?
The nucleus of a helium atom is called an alpha particle. The electromagnetic waves emitted by a nucleus are called gamma rays.
Positively charged particle consisting of 2 protons and 2 neutrons which is given off by a radioactive substance is called what?
A radiation particle consisting of two protons and two neutrons is called an Alpha Particle. Alpha Particles have the same structure as a Helium nucleus. There are three forms of radiation, Alpha (Helium nucleus), Beta (a lone electron) and Gamma (an Electromagnetic wave).
