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There are 3 forces at work in an atomic nucleus, two which cause particles to attract each other, those being the strong nuclear force and the weak nuclear force, and one which causes some particles (protons) to repel each other, that being the electromagnetic force. The force of gravity is entirely negligible within an atomic nucleus. The electromagnetic force is a relatively long range type of force. It does decrease proportionally to the square of the distance between the particles in question, but the distances involved in an atomic nucleus are extremely tiny, and the electromagnetic force operates efficiently throughout even a very large nucleus. The strong nuclear force, however, is a short range force, which decreases proportionally to the sixth power of the distance between particles. So, while it is the predominant force within a small nucleus, it loses ground to the electromagnetic force as the nucleus gets larger. Adding neutrons is a way to help glue a large nucleus together. Neutrons experience the strong nuclear attraction, but they do not repel each other, unlike protons. And neutrons also attract protons.
What else can I help you with?
Atoms have a mass number equal to the sum of?
the protons and neutrons.
An atoms mass number equals the combination of what two things?
The mass number of an element is equal to the sum of the elements neutrons and protons.
What are atoms with mor neutrons than protons?
Atoms with more protons than neutrons are simply isotopes of an element. Atoms of an element always have the same number of protons. However, the number of neutrons can vary and can be higher, lower, or equal to the number of protons.
An equal number of protons and neutrons typically results in an atom that is?
Often, but not always, atoms with an equal number of protons and neutrons in the nucleus are stable and not radioactive.
Lighter elements have more or less number of protons than neutrons?
Lighter elements tend to have neutrons equal to protonms or only a slight excess. Heavier elements have an excess of neutrons over protons
Why are atoms generally neutral?
Because it is ions that are charged. Basically the same reason why we distinguish mammels from reptiles: they are different. Atoms/neutrals are different from ions/not-neutrals because they are different. equal number of protons and neutrons equal number of protons and neutrons
What is a neutral subatomic particle in an atoms nucleus that has a mass nearly equal to a protons and no change?
Neutrons.
What is a neutral subatomic particle in an atoms nucleus that has masses nearly equal to that of a proton?
Protons and Neutrons compose the nucleus of an atom. Protons and nutrons weight combine to give the mass of the atom. In most atoms, the amount of Neutrons is equivalent to the amount of Protons.
What do all atoms have the same number of?
Atoms contain equal numbers of protons and electrons until they are ionized into a charged species or "ion."
Which's the statement about atoms?
Atoms are the basic building blocks of matter. They consist of a nucleus containing protons and neutrons, surrounded by electrons in energy levels. Atoms combine to form molecules through chemical bonds.
Are there the same number of portons and neutrons in an atom?
No, atoms do not always have the same number of protons and neutrons. The number of protons determines the element, while the sum of protons and neutrons determines the isotope of an element. Some atoms have equal numbers of protons and neutrons, but others have different numbers.
What subatomic particle is always equal in neutral atoms?
protons and electrons will always be = number
