How do you calculate the number of valence electrons in an arsenic atom?
Valence electrons in an arsenic atom:
1s22s22p63s23p63d104s24p3or[Ar]3d104s24p3
Hence, the number of valence electrons in an arsenic atom can be calculated as mentioned above, which is given by;5 valence electrons.
(a) What are valence electrons? Where are valence electrons situated in an atom ?
(b) What is the number of valence electrons in the atoms of an element having atomic number 13 ? Name the valence shell of this atom.
How do you calculate the number of valence electrons in an atom?