Potassium loses electrons when it reacts with oxygen. Which statement is true of potassium in this reaction? O A. It oxidizes. B. It undergoes synthesis. O C. It undergoes redox. D. It reduces.​

If the element whose electric configuration ends in the d sublevel, the element is calssified as? a. inner transition b. noble gases c. representative d. transition

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Which statement best describes the function of enzymes?