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The lightest and smallest atom is hydrogen. It has a single proton and a single electron. There are some other isotopes of hydrogen that have one or more neutrons. Although those isotopes are naturally occurring, they are rare and for most purposes, we can ignore their existence.
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What is the symbol for the lightest atom?
Hydrogen is the lightest and most common atom in the universe. It has the symbol H and an atomic number of 1.
The lightest of an atom's main constituents?
An atom is composed of three main particles, the proton, electron and neutron. The electron is the lightest among the three.
Of the three particles that make up an atom which is the lightest?
The electron is the lightest of the three particles that make up an atom, with a mass of approximately 9.11 x 10^-31 kilograms.
What is the lightest subatomic particle of an atom?
electrons the smallest but weigh as much as protons neutrons weigh nothing ~Kay
What is the opposite of lightest?
The opposite of lightest is heaviest.
Which atom is the lightest?
Hydrogen is the lightest element. The isotope protium is the lightest kind of hydrogen atom.
What is the symbol for the lightest atom?
Hydrogen is the lightest and most common atom in the universe. It has the symbol H and an atomic number of 1.
What atom is the lightest and the simplest atom?
hydrogen
Which is the lightest component of an atom?
electrons
The lightest of an atom's main constituents?
An atom is composed of three main particles, the proton, electron and neutron. The electron is the lightest among the three.
What subatomic particles are the lightweights of the atom?
The lightest particle in the atom is the electron.
What chemical symbol does lightest atom have?
Hydrogen is the lightest chemical element; the chemical symbol is H.
Which of the parts of an atom is the lightest part of the atom why?
Depends, but it is probably electron
Which subatomic particles has the lest mass?
In the atom the electron is the lightest.
Of the three particles that make up an atom which is the lightest?
The electron is the lightest of the three particles that make up an atom, with a mass of approximately 9.11 x 10^-31 kilograms.
What subatomic particle Has the smallest relative mass?
In the atom the electron is the lightest.
What element is lightest the elements?
The lightest element of all should have the lightest atomic mass. It is hydrogen-1 isotope. This atom has only one proton and no neutrons.
