There are several such elements. All of them are in group 13. Those elements are boron, aluminum, gallium, indium, and thallium.
Phosphorous
2 valence electrons are in an aluminum atom in the ground state.
Use the formula 2n2. In this case n = 3, so 2(32) = 18. The sublevels and number of electrons in each are 3s23p63d10, for a total of 18 electrons.
3, three, tres
Ground state configuration is nothing but the Electronic configuration of the metal in the ground state ie, the thing under normal condition. So, obviously the Ground state configuration of magnesium in [Ne] 3s2 (Atomic number 12).
The elements in group 15 Nitrogen, N; Phosphorus, P; Arsenic, As; Antimony, Sb and Bismuth, Bi all have a ground state with 3 unpaired electrons in p orbitals.
2 valence electrons are in an aluminum atom in the ground state.
Assuming the copper started at ground state, after gaining 3 electrons, it would have a charge of -3.
Use the formula 2n2. In this case n = 3, so 2(32) = 18. The sublevels and number of electrons in each are 3s23p63d10, for a total of 18 electrons.
3, three, tres
s contains one orbital with a maximum of 2 electrons p contains three orbitals with a maximum of 6 electrons d contains five orbitals with a maximum of 10 electrons f contains seven orbital with a maximum of 14 electrons
Lithium has three electrons, two in the inner shell and a single one ouside that, so there are two energy levels. See the link below
Ground state configuration is nothing but the Electronic configuration of the metal in the ground state ie, the thing under normal condition. So, obviously the Ground state configuration of magnesium in [Ne] 3s2 (Atomic number 12).
The elements in group 15 Nitrogen, N; Phosphorus, P; Arsenic, As; Antimony, Sb and Bismuth, Bi all have a ground state with 3 unpaired electrons in p orbitals.
On any level, a single s sublevel exists by itself, containing two electrons. However, the other three sublevels are actually composed of three or more sublevel orbitals. On any level, a p sublevel is actually made up of a group of three orbitals. Similarly, d sublevels are made up of a group of five orbitals, and f sublevels are composed of a group of seven orbitals.
Three sublevels: px, py, pz
Magnesium has atomic number 12 and so has 12 protons in the nucleus and 12 electrons in the neutral atom. It has three stable isotopes with 12, 13 or 14 neutrons. The neutrons have no real effect on the electronic structure. The ground state consists of the 1st shell of two electrons and the 2nd shell of 8 electrons. The last two electrons begin the 3rd shell and reside in the subshell named 3s. The last two electrons are the valence electrons.
If a lightening bolt transfers twenty three coulombs to earth how many electrons are transferred?