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.
Hydrogen is the lightest and most common atom in the universe. It has the symbol H and an atomic number of 1.
An atom is composed of three main particles, the proton, electron and neutron. The electron is the lightest among the three.
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.
electrons the smallest but weigh as much as protons neutrons weigh nothing ~Kay
The opposite of lightest is heaviest.
Hydrogen is the lightest element. The isotope protium is the lightest kind of hydrogen atom.
Hydrogen is the lightest and most common atom in the universe. It has the symbol H and an atomic number of 1.
hydrogen
electrons
An atom is composed of three main particles, the proton, electron and neutron. The electron is the lightest among the three.
The lightest particle in the atom is the electron.
Hydrogen is the lightest chemical element; the chemical symbol is H.
Depends, but it is probably electron
In the atom the electron 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.
In the atom the electron is the lightest.
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.