Make up questions to the italicized parts of the sentences. Make up questions to the italicized parts of the sentences. I. Mendeleyev is one of the greatest chemists (2). 2. He published his periodic system in 1869 (3). 3. Mendeleyev predicted some properties of undiscovered elements (2).
What makes Mendeleyev one of the greatest chemists?What year did Mendeleyev publish his periodic system?What properties of undiscovered elements did Mendeleyev predict?