In a chemical reaction, the reactant undergoes: a Functional changes
b Chemical changes
С
Structural changes
d All of the above

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.