Periodic Trends

AP Chemistry· difficulty 3/5

The dip from N to O is because

A
$Mass changes$
B
$Shell changes$
C
$Half-filled p³ stability is lost when 4th electron pairs in 2p$
check_circle
D
$Z_eff drops$

Explanation

Pairing penalty: removing the 4th 2p electron is easier than removing the 3rd from N's stable p³.

Want 10 more like this — adaptive to your weak spots?

Practice 10 like thisarrow_forward Predict my AP score

Related questions

chem-atom-053
Metallic character generally down a group.…
chevron_right
chem-fig-u12-004
The graph shows that atomic radius decreases across period 3. The best explanation is:…
chevron_right
chem-fig-021
Atomic radius across a period…
chevron_right

auto_awesomeAll Tools question_answerHomework Q&A menu_bookAP & SAT Prep timelineLearn Mode