Unit EQ:How is periodic table arranged? What is electron configuration ?. Warm-up 10/12/10 Finish electron configuration for 18 elements, with friend if need help. What do the Bohr models look like? Test Thursday – PSAT tomorrow Test review with answers online. I MDKJ.
What do the Bohr models look like?
Aufbau principle- electrons occupy orbitals of lowest enrgy 1st
Pauli exclusion principle – electrons in the same orbital have to have opposite spins
Hund’s Rule – electrons occupy orbitals of the same energy so that the number of electrons with the same spin is as large as possible. What?
What is the electron configuration and orbital notation for Phosphorus?
2)What element is represented by 1s22s22p3.
Quarter Test Oct 26th, Next Tuesday
3)What element is in group 7 period 3?
4)Arsenic (As) is what type of element?
5)What is the name of group 18?