Does anyone have the answer sheet for all of Cell energy cycle gizmo part c?

How is the way a mixture is combined different from how a compound is combined?

What type of chemical bond is formed between two atoms of bromine 1. metallic 2. hydrogen 3. ionic 4. covalent

In a chemical reaction, the final amount of the products is determined by the a. universal gas law b. law of definite proportions c. air pressure d. temperature e. none of the above me