Which of the following could be considered an example of physical contamination? O Pesticide contamination in food
• Copper leeching into food during the cooking process
A bandage falling into a prepared dish
✓ Sanitizer getting onto a food product during preparation

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals