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A high-school answer would probably be the electron. (Of course, maybe you go to an advanced high school?)
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Which best describe the nucles of an atom?
It is the part of the atom with the greatest mass
What part of the atom is the heaviest has the most mass?
Nucleus
Is it necessary to have matter at the center of mass?
No, many objects have no mass (at least no mass that is part of the body concerned) at their centre of mass. Not ,necessarily. Center of mass is an imaginary point.(at least no mass that is part of the body concerned)
What does a transmutation reaction always have to involve?
Transmutation always involves a change in the number of protons in the atom, which changes the atomic number and the element of the atom. It also involves at least some slight change in the mass of the atom (but not necessarily the mass number, which is the number of protons plus the number of neutrons, and not the same as the actual mass).
Which subatomic particle is least massive?
The three main subatomic particles are the proton, neutron, and electron. Of these three, the electron has the least amount of mass at about 0.0005 amu or atomic mass units.
What part of the atom contains the least atomic mass?
Electron. Contains basicaly no mass what so ever.
Which in an atom has the least mass in an atom?
Which particle? The electron.
What part of the atom contains the majority of mass an atom has?
The nucleus contains the mass.
What is the smallest part of the atom that has almost no mass?
The smallest part of an atom would be a quark. Quarks are either up or down quarks, and have virtually no mass. Neutrinos have even less mass, but are not part of an atom.
What is the part of the atom that makes up the mass of the atom?
the nucleus of the atom
What element in the universe has the smallest atom?
the atom with the least mass is the hydrogen atom
What part of an atom makes up the mass of an atom?
the nucleus
The neutrons in an atom have the least amount of mass?
No actually, the neutrons and the protons of an atom are relatively the same in mass. Electrons have the smallest mass in an atom, and are not even considered when we look at the mas sof an atom.
What particle found in an atom has the least mass?
the electron
Which best describe the nucles of an atom?
It is the part of the atom with the greatest mass
What part of the atom does not add mass to it?
The electron.
What part of an atom has the least mass?
the electron is the least massive atomic particleelectron
