Which elements are normally present in organic compounds

Chem 111 ­ Introductory Chemistry I University of Massachusetts, Amherst Professor Surampudi Lecture 1 Office Hours: Tuesday 10:00­12:00 Wednesday 2:00­4:00 Thursday 12:00­2:00 Office: Integrated Science Building Email:​ surampudi@umass.edu SI Leader: Andrew Shpyrko What isn’t Chemistry ● Everything is chemistry­ medicine, energy, life, conservation, biology ● Chemistry is a central science Chemistry ● Science of matter and changes ● Composition, structure, properties, reaction of matter (especially of atomic and molecular systems) Why is chemistry difficult ● Has its own language ­ ○ Water ■ Molecular formula = H2​O ■ Structural formula = H­O­H ■ Ball and stick model = ■ Space filling model = Course ● Ten Chapters ○ Unit 1­ matter ○ Unit 2­ changes ○ Unit 3­ Energy ■ Sound, light ■ Absorbed, given ○ Unit 4­ Light ■ Electrons­ how they move and where they are Materials ● Owl Access code ­ 48 months if you are pre med; 24 otherwise ○ All homework is on owl ○ Due at midnight on date posted ■ First due date and first exam ­ October 11 (Chapters 1,2 and 3 due) ○ See Assignment Calendar tab on Owl ○ Only things marked “R” (required) are graded ○ “O” = optional