0
Could a nucleus that has more than one proton but no neutrons exist explain?
Wiki User
∙ 12y ago
Such a nucleus would be unstable due to the Pauli Exclusion Principle requiring the protons to have anti-aligned spins and thus a negative binding energy which would force the protons apart. There has been some recent (2008) experimental evidence that suggests a Diproton, or Helium-2 nucleus, may exist for a fraction of a billionth of a second under certain conditions and may have a role to play in the creation of elements inside stars.
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
How much more massive is a proton compared to an electron?
Inaccurate statement as a hydrogen IS the proton. An atom is made up of the nucleus which contains protons and neutrons and the electrons. A Protium or Hydrogen-1 contains 1 proton and no neutrons, it however has 1 electron which makes up very little of the mass so you could say that. 1 electron is 1/1834 the mass of a proton. So hydrogen is ~ 1+ 5.4875×10^-4 amu
Problems with Rutherford model?
In Rutherford's model of the atom the electrons had a circular motion around the nucleus. By the laws of physics, if something is going in a circular motion then it must be accelerating and a particle that accelerates is losing energy. This means that the electrons that are revolving around the nucleus would eventually fall into the nucleus. Nucleus would eventually collapse. This does not happen therefore the Rutherford model was put aside.
Why do some nuclei found in nature give off alpha particles?
An element undergoing radioactive decay could expel an alpha particle from its nucleus. An alpha particle is made up of 2 protons and 2 neutrons. This could make it more stable by changing the ratio of protons to neutrons in its nucleus. Generally speaking, if the ratio of protons to neutrons is greater than 1:2.5, the nucleus is unstable, and you're probably dealing with a radionuclide.
An atom with 1 proton and 1 neutron?
Yes and no, Hydrogen (naturally 1 proton, 1 electron, 0 neutrons), has an isotope (variation, with a different number neutrons), called Deuterium with 1 proton and one neutron. Deuterium composes less than 0.02% of the worlds Hydrogen.
Where are electrons located in a atoms?
Electrons are located in the electron cloud - no joke. Atoms are composed of the electron could and the nucleus.
Could a nucleus of more than one proton but no neutrons exist?
No , because the neutrons have the same particles as the nucleus.
Could a nucleus of more than one proton but no nucleus exist?
No , because the neutrons have the same particles as the nucleus.
Could a nucleus that has more than one proton but no neutron exits?
No, it cannot exist because without any neutrons, the protons will repel each other since the nucleus would have multiple positive charges.
What are two part of nucleus are?
do you mean cell, if so there are many different types of cells, human cell, plant cell The nucleus of an atom is composed of a single proton (usually), a proton and a neutron (rarely) or a proton and two neutrons (extremely rarely) in the case of hydrogen. I the case of all the other elements, both protons and neutrons will be present in varying quantities, depending on which element - and on which isotope of a given element - is being specified. The protons and neutrons are called nucleons when we refer to them as part of an atomic nucleus. A nucleon could be either a proton or a neutron in this case.
How much more massive is a proton compared to an electron?
Inaccurate statement as a hydrogen IS the proton. An atom is made up of the nucleus which contains protons and neutrons and the electrons. A Protium or Hydrogen-1 contains 1 proton and no neutrons, it however has 1 electron which makes up very little of the mass so you could say that. 1 electron is 1/1834 the mass of a proton. So hydrogen is ~ 1+ 5.4875×10^-4 amu
How are neutrons different from protons?
The primary difference between a proton and a neutron is that the proton has a positive electrical charge while the neutron is electrically neutral. The neutron is slightly more massive than a proton, but not by much.The neutron is unstable when it is not bound in a nuclear structure. It has a mean lifetime of about 887 seconds, and when a neutron decays, it becomes a proton (or hydrogen nucleus) after ejecting an electron and an antineutrino. We could break down the particles and talk about up and down quarks, but let's save that for later. You've got links below. Use them and they'll take you to the Wikipedia posts on these two building blocks of atoms.
What particle is nearly half of the atom's mass?
There's no such particle for which that description is accurate for all atoms. The nucleus of the atom has protons and neutrons in it. How many of each depends on what element it's an atom of. There are 92 elements found in nature, and several more that can be created in the laboratory but only last a short time before their atoms fall apart. Every element has a different number of protons and neutrons in the nucleus of its atoms. A hydrogen atom has one proton, period. A uranium atom has 92 protons and around 146 neutrons. The proton mass is very nearly the same as the neutron mass, so the mass in the nucleus of all kinds of atoms can be anything from 1 of them to 238 of them. Protons account for anywhere between 38% to 100% of it in different atoms, and neutrons make up the rest. -- In the nucleus of a Hydrogen atom, the proton is 100% of the mass and neutrons are zero. -- A nucleus of Oxygen has 8 protons always, and can have 8, 9, or 10 neutrons, so for oxygen only, you could say it's about 50-50 protons and neutrons. -- A nucleus of Calcium has 20 protons, and anywhere from 20 to 28 neutrons. -- A nucleus of Gold has 79 protons, and 116 to 120 neutrons. So you can see that there's no single particle that's always somewhere around half the mass of the nucleus. Surely you've noticed that I've been completely ignoring the electrons. That's because it takes almost 1,850 electrons to add up to the mass of one proton or one neutron. So when you're talking about approximate mass or weight of an atom, it's perfectly OK to forget about the electrons, since the mass of the nucleus is almost exactly the mass of the atom.
Why is most of the mass of an atom found in its nucleus?
Yes, most of the mass of an atom is found in the nucleus. If you consider that a proton is over 1800 times more massive than an electron, it might come into focus. The neutron is just a tiny bit heavier than that proton. A single nucleon, which is the term we give a proton or neutron residing in the nucleus of an atom, will far, far outweigh all of the electrons that could possibly be around it. And by a factor in excess of 103, too. No, there isn't a lot of mass in the electron cloud as a whole.
What are the nucleons in an atom?
NucleonsNucleons are subatomic particles, such as protons and neutrons, that exist in the nuclei (plural of nucleus) of atoms. Though a proton or neutron can exist outside the nucleus of an atom (though the neutron is unstable and will decay), either particle is considered a nucleon when we refer to them as the constituent parts of an atomic nucleus.Protons and neutrons reside in the NUCLEUS and are thus NUCLEONS. The probability of an electron being within a nucleus is quite small, so it is not considered a nucleon.
If you know the atomic number and the mass number of an isotope how could you figure out the number of neutrons in its nucleus.?
The mass number is the total number of protons plus neutrons in the nucleus. The atomic number is the total number of protons in the nucleus. So subtract the atomic number from the mass number and that will give you the total number of neutrons in the nucleus.
If you know the atomic number and the mass number of an isotope how could you figure out the number of neutrons in its nucleus?
The mass number is the total number of protons plus neutrons in the nucleus. The atomic number is the total number of protons in the nucleus. So subtract the atomic number from the mass number and that will give you the total number of neutrons in the nucleus.
Are the electrons found inside the nucleus?
Although there exists a non-zero probability for an electron to be within the nucleus, the greatest probability is for them to be found somewhere outside there. The average (more precisely, the expectation value of the) distance between an electron and the nucleus is represented by the different periods of the periodic table. With an increasing period number comes an increasing average distance.
