Valentina Nedelkova

Residential Faculty - Chemistry

Physical Science

Physical Science

Office: PS 15 - Room: 203

480-461-7849

[email protected]

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
15762	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 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
15766	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 235 each week.

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
15792	Notes: Zero-Textbook-Cost Class: The total cost of required online instructional materials for this "Z Class" is $0. Open Educational Resources (OER) are learning, teaching, and research materials in any format and medium that reside in the public domain or have an open license copyright that permits no-cost access, re-use, re-purpose, retention, redistribution, and adaptation by others.

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
15793	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 228 each week.

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
17612	Notes: Zero-Textbook-Cost Class: The total cost of required online instructional materials for this "Z Class" is $0. Open Educational Resources (OER) are learning, teaching, and research materials in any format and medium that reside in the public domain or have an open license copyright that permits no-cost access, re-use, re-purpose, retention, redistribution, and adaptation by others.

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
17615	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 17 of 24 Seats Available
10577	Notes: Students will begin lab each week in PS235
10579	Dobson Campus PS 235 PS 237	In-Person Lab	01/20/2027 – 05/14/2027	We	1:30 PM – 4:20 PM	Open 20 of 24 Seats Available
10579	Notes: Students will begin lab each week in PS235.

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 18 of 24 Seats Available
10586	Notes: Zero-Textbook-Cost Class: The total cost of required online instructional materials for this "Z Class" is $0. Students will begin lab each week in PS228.

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 19 of 24 Seats Available
10658	Notes: Open Educational Resources (OER) are learning, teaching, and research materials in any format and medium that reside in the public domain or have an open license copyright that permits no-cost access, re-use, re-purpose, retention, redistribution, and adaptation by others. Zero-Textbook-Cost Class: The total cost of required online instructional materials for this "Z Class" is $0.

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 13 of 18 Seats Available
10659	Notes: Zero-Textbook-Cost Class: The total cost of required online instructional materials for this "Z Class" is $0. Students will begin lab each week in PS234.

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 20 of 24 Seats Available
10645	Notes: Open Educational Resources (OER) are learning, teaching, and research materials in any format and medium that reside in the public domain or have an open license copyright that permits no-cost access, re-use, re-purpose, retention, redistribution, and adaptation by others. Zero-Textbook-Cost Class: The total cost of required online instructional materials for this "Z Class" is $0.

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 12 of 18 Seats Available
17063	Notes: Open Educational Resources (OER) are learning, teaching, and research materials in any format and medium that reside in the public domain or have an open license copyright that permits no-cost access, re-use, re-purpose, retention, redistribution, and adaptation by others. Zero-Textbook-Cost Class: The total cost of required online instructional materials for this "Z Class" is $0. Students will begin lab each week in PS228.

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