Valentina Nedelkova

Residential Faculty - Chemistry

Physical Science

Office: PS 15 - Room: 203

480-461-7849

Office Hours

Monday
Tuesday
Wednesday
Thursday
Friday
1:30 PM - 2:20 PM
9:30 AM - 2:20 PM
1:30 PM - 2:20 PM
12:30 PM - 1:20 PM
 
2:30 PM - 3:20 PM
  
11:00 AM - 11:50 AM
 

Other times can be requested by appointment. Please request at least two days in advance so I can accommodate you as much as possible. 

Classes Taught

Fall 2026

CHM130LL Fundamental Chemistry Laboratory 1 Credits

Laboratory experience in support of CHM130.

A grade of C or better required in all Prerequisites. Prerequisites or Corequisites: CHM130.

General Education Designations: Natural Sciences [NSI], Natural Sciences Quantitative [SQ]
Section Location Delivery Dates Days Times Availability
15762
Dobson Campus

PS 235

PS 237

In-Person
Lab
08/26/2026 – 12/18/2026
We
10:30 AM – 1:20 PM

Class Started

Notes: Students will begin lab in Room PS 235 each week.

15766
Dobson Campus

PS 233

PS 235

In-Person
Lab
08/27/2026 – 12/18/2026
Th
1:30 PM – 4:20 PM

Class Started

CHM230 Fundamental Organic Chemistry 3 Credits

Chemistry of representative groups of organic compounds, emphasizing biological applications.

Prerequisites: A grade of C or better in (CHM130 and CHM130LL) or [(CHM150 or CHM151) and CHM151LL], or permission of Instructor, or Department or Division Chair.

General Education Designations: Natural Sciences [NSI], Natural Sciences Quantitative [SQ]
Section Location Delivery Dates Days Times Availability
15792
Dobson Campus

PS 109

In-Person
Lecture
08/24/2026 – 12/18/2026
MoWe
9:00 AM – 10:15 AM

Class Started

CHM230LL Fundamental Organic Chemistry Laboratory 1 Credits

Laboratory experience in support of CHM230.

Prerequisites: A grade of C or better in CHM130LL or CHM151LL, or equivalent. Prerequisites or Corequisites: CHM230.

General Education Designations: Natural Sciences [NSI], Natural Sciences Quantitative [SQ]
Section Location Delivery Dates Days Times Availability
15793
Dobson Campus

PS 226

PS 228

In-Person
Lab
08/24/2026 – 12/18/2026
Mo
10:30 AM – 1:20 PM

Class Started

CHM235 General Organic Chemistry I 3 Credits

Rigorous introduction to chemistry of carbon-containing compounds. Reaction mechanisms and recent methods of synthesis emphasized.

Prerequisites: A grade of C or better in (CHM152 and CHM152LL), or CHM152AA, or permission of the Instructor, or Department or Division Chair.

Section Location Delivery Dates Days Times Availability
17612
Dobson Campus

PS 231

In-Person
Lecture
08/25/2026 – 12/18/2026
TuTh
10:30 AM – 11:45 AM

Class Started

Notes: Zero-Textbook-Cost Class: The total cost of required online instructional materials for this "Z Class" is $0.

CHM235LL General Organic Chemistry I Laboratory 1 Credits

Laboratory experience in support of CHM235.

Prerequisites: A grade of C or better in CHM235 or Corequisites: CHM235. Completion of prerequisites within the last two years recommended.

Section Location Delivery Dates Days Times Availability
17615
Dobson Campus

PS 226

PS 234

In-Person
Lab
08/25/2026 – 12/18/2026
Tu
12:00 PM – 3:50 PM

Class Started

Notes: Zero-Textbook-Cost Class: The total cost of required online instructional materials for this "Z Class" is $0.

Students will begin lab in Room PS 234 each week.

Spring 2027

CHM130LL Fundamental Chemistry Laboratory 1 Credits

Laboratory experience in support of CHM130.

A grade of C or better required in all Prerequisites. Prerequisites or Corequisites: CHM130.

General Education Designations: Natural Sciences [NSI], Natural Sciences Quantitative [SQ]
Section Location Delivery Dates Days Times Availability
10577
Dobson Campus

PS 233

PS 235

In-Person
Lab
01/19/2027 – 05/14/2027
Tu
10:30 AM – 1:20 PM

Open

12 of 24
Seats Available

10579
Dobson Campus

PS 235

PS 237

In-Person
Lab
01/20/2027 – 05/14/2027
We
1:30 PM – 4:20 PM

Open

18 of 24
Seats Available

CHM151LL General Chemistry I Laboratory 1 Credits

Laboratory experience in support of CHM150 or CHM151.

A grade of C or better required in all Prerequisites. Prerequisites or Corequisites: CHM150 or CHM151.

General Education Designations: Natural Sciences [NSI], Natural Sciences Quantitative [SQ]
Section Location Delivery Dates Days Times Availability
10586
Dobson Campus

PS 228

PS 230

In-Person
Lab
01/20/2027 – 05/14/2027
We
7:30 AM – 10:20 AM

Open

17 of 24
Seats Available

CHM230 Fundamental Organic Chemistry 3 Credits

Chemistry of representative groups of organic compounds, emphasizing biological applications.

Prerequisites: A grade of C or better in (CHM130 and CHM130LL) or [(CHM150 or CHM151) and CHM151LL], or permission of Instructor, or Department or Division Chair.

General Education Designations: Natural Sciences [NSI], Natural Sciences Quantitative [SQ]
Section Location Delivery Dates Days Times Availability
10658
Dobson Campus

PS 231

In-Person
Lecture
01/19/2027 – 05/14/2027
TuTh
9:00 AM – 10:15 AM

Open

16 of 24
Seats Available

CHM230LL Fundamental Organic Chemistry Laboratory 1 Credits

Laboratory experience in support of CHM230.

Prerequisites: A grade of C or better in CHM130LL or CHM151LL, or equivalent. Prerequisites or Corequisites: CHM230.

General Education Designations: Natural Sciences [NSI], Natural Sciences Quantitative [SQ]
Section Location Delivery Dates Days Times Availability
10659
Dobson Campus

PS 226

PS 234

In-Person
Lab
01/21/2027 – 05/14/2027
Th
11:30 AM – 1:20 PM
10:30 AM – 1:20 PM

Open

12 of 18
Seats Available

CHM235 General Organic Chemistry I 3 Credits

Rigorous introduction to chemistry of carbon-containing compounds. Reaction mechanisms and recent methods of synthesis emphasized.

Prerequisites: A grade of C or better in (CHM152 and CHM152LL), or CHM152AA, or permission of the Instructor, or Department or Division Chair.

Course Notes: It is highly encouraged that you attend the FREE MCC Chemistry Boot Camp that occurs prior to the beginning of the semester. Participants will review key skills necessary for success; participants will be better prepared for their course. Visit https://www.mesacc.edu/students/foundations-student-success/boot-camps for more information and to register.

Section Location Delivery Dates Days Times Availability
10645
Dobson Campus

PS 231

In-Person
Lecture
01/20/2027 – 05/14/2027
MoWe
12:00 PM – 1:15 PM

Open

10 of 24
Seats Available

Spring Flex Start 2027

CHM235LL General Organic Chemistry I Laboratory 1 Credits

Laboratory experience in support of CHM235.

Prerequisites: A grade of C or better in CHM235 or Corequisites: CHM235. Completion of prerequisites within the last two years recommended.

Section Location Delivery Dates Days Times Availability
17063
Dobson Campus

PS 226

PS 228

In-Person
Lab
01/25/2027 – 05/14/2027
Mo
7:30 AM – 10:20 AM

Open

8 of 18
Seats Available

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