Which of the Following Statements Is/are Incorrect

Which of the following statements is/are incorrect?

A) One mole is that amount of any substance that contains the same number of units as the number of atoms in exactly 12 grams of carbon-12
B) To three significant figures, there are 6.02 × 10²³ units per mole
C) The number of particles in a mole is called Avogadro's number
D) The mass of 1/12 mole of carbon-12 is 1 gram
E) The mole is a fundamental constant derived from the laws of nature