How many valence electrons does Arsenic have-

Question

Toppr Admin · Accepted Answer

Arsenic has -5- valence electrons-160-It-s electron configuration is -1s-22s-22p-63s-23p-63d-10-4s-24p-3- It-s outermost shell -4s- and -4p- has -5- electrons- these are the valence electrons-

How many valence electrons does Arsenic have?

Arsenic has $$5$$ valence electrons. It's electron configuration is $$1s^22s^22p^63s^23p^63d^{10}4s^24p^3$$. It's outermost shell ($$4s$$ and $$4p$$) has $$5$$ electrons, these are the valence electrons.