Where does aluminum metal form during the electrolysis of aluminum ore? a. at the positive anode
b. at the positive cathode
c. at the negative cathode
d. at the negative anode

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

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize