Remove item Thumbnail image Product Price Quantity Subtotal × CHEM 120 Week 1 Assignment: Concepts - Atomic structure $29.00 CHEM 120 Week 1 Assignment: Concepts - Atomic structure quantity $29.00 × CHEM 120 Week 2 Discussion: Atomic Structure $20.00 CHEM 120 Week 2 Discussion: Atomic Structure quantity $20.00 Coupon: Apply coupon Update cart Cart totals Subtotal $49.00 Total $49.00 Proceed to checkout