Question

What element has en electron configuration that ends in 4p^6?

1. Argon (Ar)
2. Krypton (Kr)
3. Xenon (Xe)
4. Radon (Rn)

Answer 1

The element with an electron configuration that ends in 4p^6 is Krypton (Kr).

Step-by-step explanation:

The element with an electron configuration that ends in 4p6 is Krypton (Kr).