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The term for the situation when an atom has more neutrons than protons is called neutron excess or neutron-rich.

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4mo ago

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Where can most of the mass in an atom be found?

Most of the mass in an atom can be found in the nucleus, which houses the protons and neutrons. Protons and neutrons are much more massive than electrons, which orbit the nucleus in the electron cloud.


What is the structure of the atom and the position of protons neutrons and electrons?

Protons and neutrons can be found in the centre of the atom in the nucleus. Electrons orbit round the nucleus in shells/orbits and are extremely small compared to the rest of the atom. Protons have a positive +1 charge and neutrons have no charge and are neutral. Electrons have a negative -1 charge. Protons and neutrons give the atom its mass. Each shell has a maximum number of electrons it can take. In the first shell it is 2. In all other shells (up to calcium) the maximum number is 8. An atom can gain or lose electrons, becoming what is known as an ion. An ion is nothing more than an electrically charged atom. Adding or removing electrons from an atom does not change which element it is, just its charge. The number of electrons equals the number of protons. The number of protons is the roton/atomic number. The number of neutrons can be found by subtracting the atomic mass from the atomic number (as the atomic mass it both the protons and neutrons combined.)


If an atom has 23 protons then how many electrons does it have?

If an atom has 23 protons, then it will also have 23 electrons, assuming the atom is neutral. Electrons and protons have equal and opposite charges, so in a neutral atom, the number of protons equals the number of electrons.


What subatomic particles contain most of the mass?

The three types of subatomic particles known as the proton, the neutron, and the electron have masses of 1.6726 × 10−27 kg, 1.6749 × 10−27 kg, and 9.1094 × 10−31 kg, respectively. As you can see, protons and neutrons have roughly the same mass, and both of their masses are significantly greater than that of an electron. So, for atoms containing more protons than neutrons, the protons will make up the greatest percentage of mass in that atom. For atoms containing more neutrons than protons, of which there are a whole lot more of, the neutrons will make up the greatest percentage of mass in that atom. EDIT: Most of the mass in an atom comes from the energy in the Strong Force, which holds the nucleus together. Remember that mass and energy are equivalent.


Most atoms contain one or more?

electrons, protons, and neutrons. These subatomic particles make up the structure of an atom.

Related Questions

An atom that has more neutrons than protons is called what?

An atom that has more neutrons than protons is called an Isotope.


What happens when an atom as more protons and neutrons?

lzc


Within an atom protons and neutrons are found in the?

Protons are found in nucleus, as neutrons are also.


What is contained inside the nucleus of an atom?

The nucleus of an atom contains protons and neutrons, which are called nucleons. Protons have a positive charge, while neutrons have no charge. Electrons, which have a negative charge, orbit around the nucleus in electron clouds.


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

There generally isn't a problem; the more protons an atom has, the more neutrons it takes to glue them together. A Helium atom has two protons and generally two neutrons; in every other stable atom, there are more neutrons than protons. There are isotopes of elements with fewer-than-normal numbers of neutrons; these isotopes are generally unstable and radioactive, and will generally decay into other elements.


Which particles in an atom contribute most to mass of the atom?

The particles are protons, neutrons, and the nucleus inside of the atom Nice helping u >_<


An atom that has more protons than neutrons they conain are?

lallllllaaaaaaaaaheheheheheeh


The mass number of an atom is 234 and the atom has 60.0 more neutrons than protons what element is it?

Francium 2x + 60 = 234 x = 87 protons. So you have to have 147 neutrons. Francium has 87 protons, and the neutrons come from the isotope.


How does an atom develop a charge?

having more protons than neutrons


How does a atom develope a charge?

having more protons than neutrons


Does an atom has mass?

Yes, atoms are made up of protons, neutrons, and electrons. Protons are neutrons each weigh 1 Atomic Mass unit (amu). Electrons weigh about 1/1836 of an amu and don't really contribute to the weight of an atom at all. The more protons and neutrons an atom has the more it weighs.


Will an atom have a negative charge if it has more protons than nuetrons?

The neutrons do not affect the charge of an atom. The positive charge is on the proton the equal but negative charge is on the electron.If an atom has more electrons than protons it will have an overall negative charge.