CHEM 20A · Lec 1
Chemical Structure
Summer Session A 2026 is over, so there is nothing here to watch. These are the numbers as that term finished.
Seats, time, final and grades
Seats
Open, 9 seats left.
91 of 100 enrolled, lecture and all discussions summed.
Read about 2 months ago, at the end of the term. Nothing has moved since.
Meets
MWF 9:00am-10:50am
Lecture only. You also attend a discussion, listed below.
Final
Exam time unavailable
Exam details have not been checked yet. Check the registrar or current syllabus. A missing exam time does not mean there is no final.
Grades
Predicted GPA
Put this class on a board
A board is one quarter you are drafting, so it needs an account to live in. Signing in brings you straight back to this page, with this class still in front of you.
Before you can enroll
Restriction details are unavailable, so alerts are paused. Check the registrar before counting on a seat.
Discussions
You enroll in the discussion, not the lecture, so the seat figure above is the sum across all of them and can read open while every discussion you could actually join is full.
2 discussions, all open.
-
Dis 1A
MW 11:00am-11:50am
Cheung, K.
Open, 1 seat left.
-
Dis 1B
MW 12:00pm-12:50pm
Cheung, K.
Open, 8 seats left.
| Section | Meets | Instructor | Seats |
|---|---|---|---|
| Dis 1A | MW 11:00am-11:50am | Cheung, K. | Open, 1 seat left. |
| Dis 1B | MW 12:00pm-12:50pm | Cheung, K. | Open, 8 seats left. |
When it meets
Discussion alternatives are shown with the lecture; choose one linked discussion.
Scroll sideways for the whole week. All meeting times are listed below.
Online
Grades
Predicted GPA
Of the 6 other people in the grade record for CHEM 20A, the 2 with the most grades: KAVNER, ABBY at 3.70 over 1,625 grades and SHAO, HUILING at 3.54 over 1,031 grades.
- A range
- 69%
- P/NP
- <1%
- D/F/W
- 2.9%
What students say
dibs measures outcomes: grades, seats, how fast it fills. For what the class is actually like to sit in, BruinWalk has the reviews.
What the work looks like
- Exams mentioned, no number given, 11 mentions in past reviews
- Quizzes mentioned, no number given, 3 mentions in past reviews
- Papers mentioned, no number given, 1 mention in past reviews
- Problem sets mentioned, no number given, 5 mentions in past reviews
- Presentations mentioned, no number given, 1 mention in past reviews
Based on 336 reviews; source checked about 2 months ago. dibs counts only what a review actually states, so a kind of work nobody mentioned is absent rather than zero.
Will it still be here
Not a question any more: see the notice at the top of this page.
Final enrollment per term from four years of grade data. Summer excluded: different population, different pass structure.
- 29521F
- 23122W
- 30422F
- 21423W
- 29223F
- 22924W
- 35124F
- 24525W
- 39225F
Peak 392 · most recent 25F at 392
Seats over time
Unchanged over 2 minutes
Both readings say 91 of 100.
A dot is a reading. Recorded enrollment counts match, so the line is flat across the whole window: it says when dibs looked rather than what changed. The last dot is the last time dibs read this section, moved or not, at the end of the term. Nothing has moved since.
Show the readings (2)
| Recorded | Enrolled | Capacity | Status | Waitlist | Hours read |
|---|---|---|---|---|---|
| 2 Sep 03:06 | 91 | 100 | open | 0 of 20 | 1 of 1 |
| 2 Sep 03:05 | 91 | 100 | open | 0 of 20 | - |
How readings and alerts work
Dated seat counts can be available even when hourly check history is missing. Gaps do not show whether seats changed between observations.
Seat counts show the last successful read, not live availability. Refreshes can be delayed by request limits or upstream interruptions. Watched sections receive priority, but an hourly update for every section is not guaranteed.
The registrar can change a seat count between our checks. Alerts depend on dibs detecting an opening and completing delivery; a quiet watch does not prove that no seat opened. Check the registrar before enrolling.
Class chat
Nobody on dibs watches this class or has it on a plan yet. Nobody posted here.
Summer Session A 2026 has ended, so no room can be started here now.