This is a chemical element. You can find the how many electron in a single atom by using a Periodic Table.
Terium was created in 2008.
8 electrons
16 electrons
20 electrons
6 electrons
97 electrons
4 electrons.
4 electrons, 2 valence electrons
There are 16 electrons in an O2 molecule. Each oxygen atom contributes 8 electrons, totaling 16 electrons in the molecule.
Germanium has 32 electrons.
Xenon has 54 electrons.
Argon has 18 electrons.