2
Beryllium has two electron shells.
Beryllium has one outer electron shell with two electrons.
Beryllium has one valence shell containing two electrons.
Beryllium has 2 electron shells.
Two energy shells. Made up as 1s2, 2s2 Shells 1 & 2 each have only 's' orbital and each orbital has only two electrons in it. The outer shell '2' is more energetic. The electrons are paired and spin in opposite directions to each other.
Only two electron shells.
Beryllium has two electron shells.
Only two electron shells.
Bromine has 4 energy shells.
Silicon has 3 energy shells.
An element with 2 energy levels and 2 electrons in the outer layer is beryllium (Be). Beryllium has an atomic number of 4, with 2 electrons in the first energy level and 2 electrons in the second energy level, making it a neutral atom.
The Bohr model for beryllium is a simplified representation of a beryllium atom where electrons orbit the nucleus in circular orbits at specific energy levels. In this model, beryllium has four electrons arranged in two energy levels or shells, with two electrons in the inner shell and two in the outer shell. The Bohr model helps to explain the electronic structure and properties of beryllium.