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The neutron has slightly more mass than a proton. Both are usually rounded off to a mass of 1 amu but the neutron is just a little heavier (about 1/1800 th heavier)
What else can I help you with?
What subatomic particle is the least and most massive and which subatomic particle is respectively?
least - electron most - the top quark
What is a protron?
A proton is a subatomic particle found in the nucleus of an atom. It has a positive electrical charge and is roughly 1,836 times more massive than an electron. The number of protons in an atom determines its atomic number and chemical properties.
What particle of an atom has the most mass?
It would be neutrons.
Is alpha particle the slowest?
For a given amount of energy, yes. Because its the most massive.
If there is no neutron or proton what is the most massive part of an atom?
the anti-proton
What particle in an atom is the least massive?
electron
What particle in the atom is the least massive?
least - electron most - the top quark
What subatomic particle is the least and most massive and which subatomic particle is respectively?
least - electron most - the top quark
Most massive particles in an atom?
99.9% of an atom's mass is concentrated in the nucleus, with protons and neutrons having almost the same mass, with neutrons being slightly higher. So your question would be, 'What atom has the most protons and neutrons combined?' And that answer is Nobelium. Nobelium has 102 protons and 160 neutrons which makes it the most 'massive' atomic particle, even more so then Lawrencium which has 103 protons but only 159 neutrons. Of course, in a few months, we could have a new, more massive element.
What is the most massive elementary particle known to exist in the universe?
The most massive elementary particle known to exist in the universe is the top quark.
How massive is a alpha particle?
an alpha particle is made of two protons and 2 neutrons. its basically the same as the nucleus of a helium atom
What is heaviest particle found in the nucleus of an atom?
Neutrons are... very slightly... more massive than protons.
What is the most simple particle in an element?
An atom.
What particle of an atom has the most mass?
It would be neutrons.
What is a protron?
A proton is a subatomic particle found in the nucleus of an atom. It has a positive electrical charge and is roughly 1,836 times more massive than an electron. The number of protons in an atom determines its atomic number and chemical properties.
Which particle is most massive in radioactivity?
You think probable to alpha particles.
What is the second most massive part of the atom?
oxygen
