Сабақтың ортасы
6-35 min
|
How do atoms join to from compounds?
I.Electron dot representation
In this representation, valence electrons are shown as dots around the symbolof thr element. When we look at the electron orbitals of the hydrogen atom, we see that it has one valance electron. The electron dot representation of hydrogen atom is ● H thouqh it can also be shown by H● or ●H. When 2 hydrogen atoms combine, H2 molecule forms:
|