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In terms of weight, the major proportion consists of protons and netrons which are found in the nucleus.

In terms of volume, electrons which surround the nucleus in a cloud.

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What part of the atom contains most of its mass?

The nucleus, made up of protons and neutrons, contains most of an atom's mass.


When was the atom made?

The Chinese produced the first atom in 1971. They have produced the most ever since. Prior to the atom, all things were made up of the four alchemical elements, earth, water, fire and air.


What makes up most of the size of an atom?

Most of the size of an atom is made up of the electron cloud, where electrons are located. The nucleus, which contains protons and neutrons, is much smaller in comparison to the overall size of the atom.


What part of the atom is the heaviest has the most mass?

The nucleus of an atom is the heaviest part and contains most of the atom's mass. It is made up of protons and neutrons. Electrons, which orbit the nucleus, have much less mass compared to protons and neutrons.


What form of atom is made from only one type of atom?

Elements are made from one type of atom.


Who made the atom?

the ancient Greeks made the atom, but they had no proof after the discovery.


What is mostly the space of an atom made of?

About 99.9% of the mass of an atom is concentrated at the nucleus of an atom. Electrons around the atom have really small mass in relation to the protons and neutrons therefore their masses are negligible. Therefore except for the nucleus, most space of an atom is just vacuum.


What represents most of an atom's mass?

The nucleus of an atom represents most of an atom's mass.


Was India involved with the invention of the atom bomb?

yes they made most of it . Are you sure? Evidence, please.


Is an atom made up of only one atom?

atom is made up of subatomic particles:proton,electron and neutron.


Most common atom in the universe?

Hydrogen is the most abundant element in the universe.


Substance from which everything is made?

basically there is no common substance from which everything is made.. if ur question is changed to " what are most of the things made of.." then its carbon.