Question

Write the different chemical familes and write
down the valence shell configeonation, valence
dectrons and Valency?​

Answer 1

Answer:

in chemistry and physics, a valence electron is an outer shell electron that is associated with an ... Helium is an exception: despite having a 1s2 configuration with two valence electrons, and ... Element type, Hydrogen and helium, p-block ... To form an ionic bond, a halogen atom can remove an electron from another atom in