Undergraduate Prerequisites: two years of high school algebra. - For science majors and minors who require a two-semester general chemistry course, but have little prior experience with chemistry. Topics include: atoms and molecules; quantum theory and atomic structure, chemical periodicity; bonding in diatomic and polyatomic molecules; stoichiometry and introduction to reactions in aqueous solutions; properties of gases; and thermochemistry and the first law of thermodynamics. Laboratory exercises include basic training in lab safety and handling of chemical and experiments complementing the lectures, such as investigations of the size of an atom, gas laws, thermochemistry, and quantum aspects. Students must register for the following three (3) course components: lecture, discussion, and laboratory. Carries natural science divisional credit (with lab) in CAS. Effective Fall 2018, this course fulfills a single unit in each of the following BU Hub areas: Scientific Inquiry I, Quantitative Reasoning I.
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| A1 |
|
NO ROOM |
T 6:30 pm-8:30 pm |
Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously.
Waitlist Form: https://forms.gle/ezv4SgbyEYkNmv9x6
PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. |
| A1 |
|
SCI 109 |
MWF 9:05 am-9:55 am |
Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously.
Waitlist Form: https://forms.gle/ezv4SgbyEYkNmv9x6
PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. |
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| A2 |
|
NO ROOM |
T 6:30 pm-8:30 pm |
Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously.
Waitlist Form: https://forms.gle/ezv4SgbyEYkNmv9x6
PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. |
| A2 |
|
SCI 109 |
MWF 11:15 am-12:05 pm |
Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously.
Waitlist Form: https://forms.gle/ezv4SgbyEYkNmv9x6
PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. |
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| A3 |
|
NO ROOM |
T 6:30 pm-8:30 pm |
Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously.
Waitlist Form: https://forms.gle/ezv4SgbyEYkNmv9x6
PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. |
| A3 |
|
SCI 109 |
MWF 1:25 pm-2:15 pm |
Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously.
Waitlist Form: https://forms.gle/ezv4SgbyEYkNmv9x6
PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. |
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| A4 |
|
CAS 522 |
T 6:30 pm-8:30 pm |
Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously.
Waitlist Form: https://forms.gle/ezv4SgbyEYkNmv9x6
PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. |
| A4 |
|
SCI 109 |
MWF 4:40 pm-5:30 pm |
Students registering for CASCH 101 must register for three sections (LEC, DIS, LAB). Weekly Pre-Lab modules will be offered asynchronously.
Waitlist Form: https://forms.gle/ezv4SgbyEYkNmv9x6
PLEASE NOTE: Students enrolled in CH109, CH131, or CH171 will NOT be enrolled in CH101 and MUST drop those courses before joining the waitlist for CH101. |
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B0 |
Bassina |
PSY B35 |
R 9:30 am-10:20 am |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B1 |
Bassina |
CGS 323 |
R 11:15 am-12:05 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B2 |
Bassina |
CAS 116 |
R 12:30 pm-1:20 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B3 |
Bassina |
PRB 150 |
R 2:00 pm-2:50 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B4 |
Bassina |
SCI 115 |
R 3:35 pm-4:25 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B5 |
Bassina |
CAS 223 |
R 5:00 pm-5:50 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B6 |
Bassina |
SOC B57 |
F 12:20 pm-1:10 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B7 |
Bassina |
BRB 122 |
F 1:25 pm-2:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B8 |
Bassina |
CAS 220 |
F 2:30 pm-3:20 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B9 |
Bassina |
SCI 115 |
F 3:35 pm-4:25 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| C0 |
Bassina |
BRB 122 |
R 9:30 am-10:20 am |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| C1 |
Bassina |
MCS B37 |
R 11:15 am-12:05 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| C2 |
Bassina |
SCI 115 |
R 12:30 pm-1:20 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| C3 |
Bassina |
SCI 115 |
R 2:00 pm-2:50 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| C4 |
Bassina |
CAS 204B |
R 3:35 pm-4:25 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| C5 |
Bassina |
BRB 121 |
R 6:30 pm-7:20 pm |
Meets w/ MET |
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| C6 |
Bassina |
CAS 220 |
F 12:20 pm-1:10 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| C7 |
Bassina |
CAS 204A |
F 1:25 pm-2:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| C8 |
Bassina |
BRB 121 |
F 2:30 pm-3:20 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D1 |
Bassina |
CAS 116 |
R 11:15 am-12:05 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D2 |
Bassina |
KCB 102 |
R 12:30 pm-1:20 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D3 |
Bassina |
CAS 116 |
R 2:00 pm-2:50 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D4 |
Bassina |
CAS 204A |
R 3:35 pm-4:25 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D5 |
Bassina |
SCI 115 |
F 9:05 am-9:55 am |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D6 |
Bassina |
PRB 148 |
F 12:20 pm-1:10 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D7 |
Bassina |
CAS 208 |
F 1:25 pm-2:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| D8 |
Bassina |
CAS B06B |
F 2:30 pm-3:20 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| E1 |
Bassina |
CGS 423 |
R 11:15 am-12:05 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| E2 |
Bassina |
PSY B39 |
R 12:30 pm-1:20 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| E3 |
Bassina |
KCB 102 |
R 2:00 pm-2:50 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| E4 |
Bassina |
COM 213 |
R 3:35 pm-4:25 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| E5 |
Bassina |
SCI 115 |
F 11:15 am-12:05 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| E6 |
Bassina |
COM 212 |
F 12:20 pm-1:10 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| E7 |
Bassina |
PRB 148 |
F 1:25 pm-2:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| E8 |
Bassina |
PRB 148 |
F 2:30 pm-3:20 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L1 |
Chen |
SCI 268A |
W 11:15 am-2:00 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L2 |
Chen |
SCI 268B |
W 11:15 am-2:00 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L3 |
Chen |
SCI 268C |
W 11:15 am-2:00 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L4 |
Chen |
SCI 268D |
W 11:15 am-2:00 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L5 |
Chen |
SCI 268A |
W 2:30 pm-5:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L6 |
Chen |
SCI 268B |
W 2:30 pm-5:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L7 |
Chen |
SCI 268C |
W 2:30 pm-5:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L8 |
Chen |
SCI 268D |
W 2:30 pm-5:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L9 |
Chen |
SCI 268A |
W 6:30 pm-9:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LA |
Chen |
SCI 268B |
W 6:30 pm-9:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LB |
Chen |
SCI 268C |
W 6:30 pm-9:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LC |
Chen |
SCI 268D |
W 6:30 pm-9:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LD |
Chen |
SCI 268A |
R 8:00 am-10:45 am |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LE |
Chen |
SCI 268B |
R 8:00 am-10:45 am |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LF |
Chen |
SCI 268C |
R 8:00 am-10:45 am |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LG |
Chen |
SCI 268D |
R 8:00 am-10:45 am |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LH |
Chen |
SCI 268A |
R 12:30 pm-3:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LI |
Chen |
SCI 268B |
R 12:30 pm-3:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LJ |
Chen |
SCI 268C |
R 12:30 pm-3:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LK |
Chen |
SCI 268D |
R 12:30 pm-3:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LL |
Chen |
SCI 268A |
R 3:30 pm-6:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LM |
Chen |
SCI 268B |
R 3:30 pm-6:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LN |
Chen |
SCI 268C |
R 3:30 pm-6:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LO |
Chen |
SCI 268D |
R 3:30 pm-6:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LP |
Chen |
SCI 268A |
R 6:30 pm-9:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LQ |
Chen |
SCI 268B |
R 6:30 pm-9:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LR |
Chen |
SCI 268C |
R 6:30 pm-9:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LS |
Chen |
SCI 268D |
R 6:30 pm-9:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LT |
Chen |
SCI 268A |
F 8:00 am-10:45 am |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LU |
Chen |
SCI 268B |
F 8:00 am-10:45 am |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LV |
Chen |
SCI 268C |
F 8:00 am-10:45 am |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LW |
Chen |
SCI 268D |
F 8:00 am-10:45 am |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LX |
Chen |
SCI 268A |
F 11:15 am-2:00 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LY |
Chen |
SCI 268B |
F 11:15 am-2:00 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| LZ |
Chen |
SCI 268C |
F 11:15 am-2:00 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| M1 |
Chen |
SCI 268D |
F 11:15 am-2:00 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| M2 |
Chen |
SCI 268A |
F 2:30 pm-5:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| M3 |
Chen |
SCI 268B |
F 2:30 pm-5:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| M4 |
Chen |
SCI 268C |
F 2:30 pm-5:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| M5 |
Chen |
SCI 268D |
F 2:30 pm-5:15 pm |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| MA |
Chen |
SCI 268B |
W 8:00 am-10:45 am |
|
FALL 2025 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| MB |
Chen |
SCI 268B |
W 8:00 am-10:45 am |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| A1 |
Caradonna |
SCI 109 |
MWF 8:00 am-8:50 am |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B1 |
Caradonna |
COM 210 |
F 9:05 am-9:55 am |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B2 |
Caradonna |
CAS 325 |
R 6:30 pm-7:20 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B3 |
Caradonna |
SHA 210 |
F 1:25 pm-2:15 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B4 |
Caradonna |
KCB 102 |
F 12:20 pm-1:10 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B5 |
Caradonna |
PSY B45 |
F 2:30 pm-3:20 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B6 |
Caradonna |
CAS 220 |
F 1:25 pm-2:15 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B7 |
Caradonna |
CAS 320 |
F 2:30 pm-3:20 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| B8 |
Caradonna |
CAS 225 |
F 12:20 pm-1:10 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| C0 |
Caradonna |
CAS 233 |
F 11:15 am-12:05 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| C1 |
Caradonna |
CAS B25B |
F 4:40 pm-5:30 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L1 |
Chen |
SCI 268C |
M 11:15 am-2:00 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L2 |
Chen |
SCI 268C |
M 2:30 pm-5:15 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L3 |
Chen |
SCI 268C |
M 6:30 pm-9:15 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L4 |
Chen |
SCI 268C |
T 8:00 am-10:45 am |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L5 |
Chen |
SCI 268C |
T 12:30 pm-3:15 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L6 |
Chen |
SCI 268B |
T 3:30 pm-6:15 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L7 |
Chen |
SCI 268C |
T 3:30 pm-6:15 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L8 |
Chen |
SCI 268B |
T 6:30 pm-9:15 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| L9 |
Chen |
SCI 268C |
T 6:30 pm-9:15 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| M1 |
Chen |
SCI 268C |
W 11:15 am-2:00 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| M2 |
Chen |
SCI 268C |
W 2:30 pm-5:15 pm |
|
SPRG 2026 Schedule
| Section |
Instructor |
Location |
Schedule |
Notes |
| M3 |
Chen |
SCI 268C |
W 6:30 pm-9:15 pm |
|
Note that this information may change at any time. Please visit the MyBU Student Portal for the most up-to-date course information.