3 electrons. This can be told from the Periodic Table. These electrons are in the 2p orbital.
An atom of antimony in its ground state has 3 unpaired electrons.
Iodine has one unpaired electron in its ground state.
Magnesium has five unpaired electrons and is therefor paramagnetic
Germanium has 0 unpaired electrons in its ground state, as it has a completely filled 4s and 4p orbitals, resulting in a full outer shell configuration.
There are three unpaired electrons in an atom of cobalt in its ground state. This can be determined by the electron configuration of cobalt, which is [Ar] 4s2 3d7. The 3d orbital has 5 electrons, so there are 3 unpaired electrons.
Phosphorus has three unpaired electrons in its ground state.
An atom of antimony in its ground state has 3 unpaired electrons.
Iodine has one unpaired electron in its ground state.
There are 5 unpaired electrons in Fe^3+ in its ground state.
Magnesium has five unpaired electrons and is therefor paramagnetic
Noble gases, like helium, neon, and argon, have no unpaired electrons in their ground state electron configuration. This means that all of their electrons are paired up in orbitals.
Hund's Rule
There are 5 unpaired electrons in Fe^3+ in its ground state.
Germanium has 0 unpaired electrons in its ground state, as it has a completely filled 4s and 4p orbitals, resulting in a full outer shell configuration.
Two
There are three unpaired electrons in an atom of cobalt in its ground state. This can be determined by the electron configuration of cobalt, which is [Ar] 4s2 3d7. The 3d orbital has 5 electrons, so there are 3 unpaired electrons.
There are 0 unpaired electrons which would make it diamagnetic