Which elements combine by forming an ionic bond 1) sodium and hydrogen 2) sodium and oxygen 3)carbon and oxygen 4) carbon and sulfur

How many moles are equivalent to 55.5g of nano3

Draw the structure for 5-isopropyl-2-methyl-3-nonene

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.