define nucleus?

Answer 1

i hope you mean the nucleus in an atom!

The nucleus of an atom is the very dense region in its center consisting of protons and neutrons. The size of the nucleus is much smaller than the size of the atom itself, and almost all of the mass in an atom is made up from the protons and neutrons with almost no contribution from the electrons.

Answer 2

The Atom was meant to be the smallest building block for Mass ... then they found its particles.

The Nucleus has Positive and nuetral charged (protons and nuetrons) and orbiting it is the negative charged electron.

To give an idea of size, if the atom was as big as a football field, the nucleus would be the size of a tennis ball in the middle. The electron would be the size of a pin head getting no closer than the side lines. So most of an atom is empty space

Answer 3

I think most of the people have given the answer! But there still needs an explanation on "even though the protons present in great vicinity to each other in the nucleus exert strong repulsive force on each other, an atom remains stable!!!
Here is the explanation:
It is true that like charges repel and also the protons! But we know that most of the atoms are stable in their natural condition! This shows that there must be some other force which must be overcoming the replusive force of the protons and must be instrumental in keeping the nucleus stable. And that force is none else than the "NUCLEAR FORCE"!!! This is the strongest of all the forces ever known to mankind! It is 10^40 times powerful than the gravitational force. But it is a short range force. i.e it can exists only between those objects which are as close as 10^(-15)metre.

Answer 4

nucleus is center part of the atom consisting of protons and neutrons it makes the mass of the atom as electrons have nearly no mass . it is positively charged as neutrons carry no charge and protons are positively charged
the size of a nucleus is very small as an atom is very small.
taking an hydrogen atom which has only one electron and one proton if we compare the size of an nucleus to the whole atom ,
u can say the if u increase a nucleus to the size of a golf ball then the electron will be 1 km far and the diameter of the atom would be 2 km it is that small the nucleus

Answer 5

Nucleus of an atom is not only the centre point but also a buffer point accomodating large variation of imbalances due to the surrounding nature.
It carries with it not only the protons and nutrons but also minute interconnecting particles like mesons, anti protons etc. It is a cetre of attraction for the electrons to circle around it . The electrons move around it not due to the presence of protons but due to the inner movement of protons within the nucleus in a manner as applicable to quantum theory.
A sort of moving magnetism is developed continuously from within the nucleus due the continuous shuffling of particles within nucleus.
When an electron is bombarded out from the nucleus by an external source , the nucleus manages to keep the integretty of its property by its own rearrangement.
When a new material like nutrons or protons enters into its territoy, it repulse it immediately.
If not, it disintegrate to form one or more new nucleuses.
The role played by a nucleus is innumerous when compared to the role and size of other particles that surrounds it like electrons.

Sometimes God is compared to that of a Nucleus as a tiny small article that performs infinite number of jobs instantly. It is tinier than a nucleus that humans with human eyes or by any means of innovated device can not see it except through spirutual means.
I express God with no gender to make it clear that God is genderless.

Answer 6

This Site Might Help You.

RE:
define nucleus?

Answer 7

The nucleus of an atom consists of positively charged protons and neutrons,which have no charge.The number of protons and neutrons in the nucleus depends on the element.

Answer 8

the nucleus is the positively charged mass within an atom, composed of neutrons and protons, and possessing most of the mass but occupying only a small fraction of the volume of the atom.

Answer 9

Nucleus is just center of any activity.

Answer 10

consists of protons and neutrons