Which of the following is a compound?
A) F2(g)
B) O2(g)
C) Na(s)
D) H2O2(l)
Question 2
According to Aristotle's hypothesis about matter, wet clay is converted to ceramic because ________.
A) heat drives out the coolness of earth
B) dry air replaces moist air
C) fire replaces the moist element with the dry element
D) dry quality is replaced with moist quality